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OVID WEB GATEWAY
User Manual
OVID WEB GATEWAY
                                                  Table of Contents

Introduction...........................
protected by United States and International copyright laws. Use of the software is subject to terms and conditions set ou...
INTRODUCTION



                           GENERAL AND BROWSER REQUIREMENTS

                                         MANU...
Welcome to the Ovid Web Gateway User Manual. This manual will help you use the Ovid Web Gateway
product more proficiently,...
example, in the “Welcome to Ovid Page” section, the term idle time limit
                        appears in italics within...
Opens Email to Ovid Customer Support

Internal Links: Let you navigate more easily to topics throughout the manual that in...
Reference Link to Related Information

Finally, the end of every chapter provides these two link options.
Table of Content...
CHAPTER 1: OPEN AN OVID SESSION



                                   WELCOME TO OVID PAGE

                              ...
Depending on the configuration of the Ovid Web Gateway at your site, you may pass through several
pages before your Ovid s...
To log in to the Ovid Web Gateway, follow these steps.
1. Enter your user ID into the ID box.
2. Enter your password into ...
1. Enter your user name into the box.
2. Enter your password. For security purposes, the characters of your password are m...
Ovid displays your institution's authentication service login page.




                                   Sample Authenti...
Ovid News Page

Click the Continue button located at the top left-hand side of the page to move from the news page to
Ovid...
Choose a Database Page

      If you want more information about a database, click its Information icon. A Database Field ...
If your site subscribes to Primal Pictures on Ovid, you can access it by selecting it from the Choose a
Database Page.
Ovi...
Primal Pictures Complete Human Anatomy and IFA includes an additional module: All Titles Plus Test
Bank. This highly inter...
Database Stop Words
Some words (including articles, prepositions, and forms of the verb to be) appear so frequently within...
CHAPTER 2: OVID’S MAIN SEARCH PAGE



                                                             DATABASE BANNER

      ...
The Main Search Page (MSP) of any Ovid search mode (Basic, Advanced and Find Citation) offers these
common elements.

    ...
with different field names—to obtain comprehensive results.
               Use the dot-dot command ..c/<dbshortcode> to ch...
g      The PayPerView Account icon provides an online account where you can purchase Ovid Full
       Text from journals t...
Find Citation Mode Search Box

For details, see Find Citation Mode later in this chapter.
You can move easily between Ovid...
Use the following search history functional options to expand upon your current search strategy.

•                       ...
To return to a compacted display, click the Contract tab.
         Use the command ..ps directly from the keyword command ...
From this page, restrict or combine results from as many search sets as you want. To do so, follow these
steps.
1. Check t...
Selecting Delete Searches

Ovid opens the Delete Searches Page.




                                         Delete Search...
During the development of your search strategy, some search sets will have a dependency upon
          previous search set...
Save Current Search Page

From this page, you can save searches temporarily, permanently, or as an AutoAlert. For details,...
Multifile Results in Search History

             Click the Details button of a set to see a break down of results from ea...
Remove Duplicates Page

From this page, follow these steps.
1. From the search history, select a search set to deduplicate...
Deduplicated Results Set in Search History

If Ovid does not find duplicate records in the set, it displays this message i...
Both preferred and unique records are selected throughout the display.




                                Preferred, Elim...
the page. Choose records you want to include or eliminate by clicking their check boxes. Once you have
made changes, click...
SEARCH RESULTS DISPLAY
Ovid’s Search Results Display lets you browse through the individual records of results retrieved f...
•                                                     •
    Saved searches/AutoAlerts options                      PayPerV...
Enter an author’s last name into the author text box. For more precise results, enter last
Author
             name follow...
To run a Basic Mode search, follow these steps.
1. Enter a term into the keyword text box or a name into the author text b...
Main Search Page: Find Citation Mode

The search box of Ovid’s Find Citation mode offers a selection of options to help yo...
Find Citation Mode Search Box

In citation searching, Ovid restricts retrieval to only those records that satisfy the crit...
Main Search Page: Advanced Mode

In addition to the core functionality of any Ovid search mode, Advanced Mode offers these...
In the Books@Ovid database, the Book Name icon lets you search for terms and
                      phrases in Books@Ovid t...
CHAPTER 3: ADVANCED MODE SEARCH TYPES



                                KEYWORD SEARCH

                                 ...
KEYWORD SEARCH
In Ovid’s of Advanced Mode, keyword searching is the default search type. To perform a keyword
search, foll...
Author Command Line

2. Type a last name into the command line; you do not have to know the first name or the entire last
...
Use the keyword command-line syntax <name>.au. to retrieve author names from directly from
         the Main Search Page. ...
Journal Command Line

    Enter the first few letters of a journal name into the command line. You do not need to know the...
To locate results in only those journals to which your site subscribes (and access their full text),
        limit these r...
CHAPTER 4: FIELDS AND LIMITS



                                DATABASE FIELDS

                                DATABASE ...
DATABASE FIELDS
In Ovid’s Advanced Mode, applying fields to a search (or fielding a search) runs the search in specific
fi...
Search Fields Indexes Display (partial view)

From the display, you can view all indexed fields of the database. Two-lette...
Multifiled databases contain a superset of all fields available to each of the component
           databases, which can r...
one field, separate the two-letter field codes with a comma. The command enchephalopathy.ab,ti
retrieves records containin...
Fielded Index Display (partial view)

Numbers in the postings column indicate how many records can be retrieved by selecti...
Use the keyword command line syntax root <term>.<xx> to open a fielded index display
         directly from the Main Searc...
Common Database Limits

            The Books@Ovid database does not have lamits. Only the Publication Year limit is avail...
Limits results to those from the current update of the database.
Latest Update

                         Limits results to...
You can utilize all database-specific limits to further refine your results by clicking the More Limits icon.
Ovid opens t...
you can access Ovid full text journal articles, either through your site’s
                             subscription or th...
CHAPTER 5: VOCABULARY TOOLS



                           INTRODUCTION TO OVID’S VOCABULARY TOOLS

                       ...
OVID’S VOCABULARY TOOLS
In Ovid’s Advanced Mode, vocabulary tools let you discover more about your search terms within the...
Associated terms of subject headings that focus the meaning of your search on a
Subheadings
                           spe...
Mapping Display for green tea polyphenols

In this example, Ovid has mapped our search terms to several subject headings.
...
Retrieves results that contain at least of the subject headings selected.
     OR

                Retrieves only those re...
Mapping Display for green tea

In this example, we want to explode the mapped subject heading green tea from the Mapping D...
In databases with a controlled vocabulary, use the exp command to explode a known subject
          heading directly from ...
Results from Exploding Green Tea with Two Subheadings

Notice that fewer results display back in the search history of the...
Selecting to Focus from Mapping Display

From the Mapping Display, we want to focus the subject heading green tea. To do s...
statement indicates that the term has been focused.
        In databases with a controlled vocabulary, use the *<subject h...
Notice that Ovid retrieved fewer records as a result of refining the subject heading topic search to only
those subheading...
From this page, follow these steps to view a subject heading with the tree tool.
1. Enter a known subject heading (such as...
Tree Display for the Subject Heading asthma

        Use the keyword command tree <subject heading> to open a Tree Display...
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Transcript of "Ovid Web Gateway User Guide"

  1. 1. OVID WEB GATEWAY User Manual
  2. 2. OVID WEB GATEWAY Table of Contents Introduction................................................................................................................................................. 3 Chapter 1: Open an Ovid Session.............................................................................................................. 8 Chapter 2: Ovid’s Main Search Page...................................................................................................... 18 Chapter 3: Advanced Mode Search Types ............................................................................................. 42 Chapter 4: Fields and Limits ................................................................................................................... 48 Chapter 5: Vocabulary Tools................................................................................................................... 59 Chapter 6: Save a Search ......................................................................................................................... 89 Chapter 7: Saved Search Options............................................................................................................ 95 Chapter 8: Create an AutoAlert ............................................................................................................ 109 Chapter 9: AutoAlert Options ............................................................................................................... 123 Chapter 10: Secure Your Saved Searches ............................................................................................ 132 Chapter 11: View Your Results Records .............................................................................................. 141 Chapter 12: View Complete References ............................................................................................... 157 Chapter 13: Output Records.................................................................................................................. 168 Chapter 14: Ovid’s PayPerView (PPV) ................................................................................................ 180 Chapter 15: Ovid’s Deposit Accounts ................................................................................................... 198 Chapter 16: Search Journals@Ovid ..................................................................................................... 203 Chapter 17: Browse Journals@Ovid .................................................................................................... 217 Chapter 18: Ovid’s Publish Ahead of Print.......................................................................................... 242 Chapter 19: Output Images from Journals@Ovid .............................................................................. 255 Chapter 20: Browse Topics in Cochrane .............................................................................................. 261 Chapter 21: Browse Current Contents ................................................................................................. 265 Chapter 22: Browse Books@Ovid......................................................................................................... 281 Chapter 23: Search Books@Ovid.......................................................................................................... 321 Chapter 24: Email Ovid Jumpstarts ..................................................................................................... 344 Appendix A: Ovid Search Tips .............................................................................................................. 385 Appendix B: Troubleshooting................................................................................................................ 399 Copyright © 2007 Ovid Technologies, Inc. All rights reserved. Ovid Technologies Inc. and Ovid Web Gateway are registered trademarks. Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, for any purposes without the express written permission of Ovid Technologies Inc. This document is provided for information only. Ovid Technologies Inc. makes no warranties of any kind regarding the Ovid software and its Ovid Web Gateway product. The Ovid software is the exclusive property of Ovid Technologies Inc. and is Copyright 2007 WKMR/Ovid i All Rights Reserved
  3. 3. protected by United States and International copyright laws. Use of the software is subject to terms and conditions set out in the accompanying license agreement. Installing locally or accessing the software online signifies your agreement to the terms of the license agreement. Ovid version 10.5.0/Ovid Web Gateway Help 2.4.0 2007 April 18 Copyright 2007 WKMR/Ovid 2 All Rights Reserved
  4. 4. INTRODUCTION GENERAL AND BROWSER REQUIREMENTS MANUAL CONVENTIONS NAVIGATIONAL AIDS FOR THIS MANUAL Copyright 2007 WKMR/Ovid 3 All Rights Reserved
  5. 5. Welcome to the Ovid Web Gateway User Manual. This manual will help you use the Ovid Web Gateway product more proficiently, and is recommended for users with experience ranging from novice to advanced online searching. Every Ovid search session brings together three components to optimize your search experience. Access to thousands of the world’s most influential textbooks, journals, and databases Content A full suite of online, state-of-the-art user tools to search, navigate, and personalize your Tools work A variety of training and customization services available for you and your site or institution Services Enter Ovid’s powerful gateway and feel the world of online research at your fingertips. For permission to use a portion of this manual at your site, contact Ovid Customer Support at support@ovid.com. GENERAL AND BROWSER REQUIREMENTS You will need a computer with a Web browser to access the Ovid Web Gateway. Your browser must support image maps, graphics, forms, and tables. In many cases, JavaScript and cookies must be enabled. Some Ovid functions require HTML-formatted email service and performance can vary. Be sure to consult the browser for memory and disk space requirements. Ovid supports the following Web browsers. • Microsoft Internet Explorer version 6.0 and above • Netscape Navigator version 7.0 and above • Mozilla Firefox 1.0 Current versions of these Web browsers are available from the following websites. • Microsoft Internet Explorer: http://www.microsoft.com/windows/ie/ • Netscape Navigator: http://browser.netscape.com/ • Mozilla Firefox: http://www.mozilla.org/products/firefox/ Browser support enhancements can be found in Ovid’s bi-weekly newsletter: C+T+S Update. To subscribe, sign up on our website at: http://www.ovid.com/site/community/listservs.jsp. For more information about browsers and upgrading browsers for optimal use of the Ovid Web Gateway product, contact Ovid Support at support@ovid.com. For information about our online and personalized training sessions, see Ovid Training & Documentation. MANUAL CONVENTIONS The following typographical conventions apply throughout this manual. The first instance of an Ovid-specific term appears in italicized text to call idle time limit attention to its context. From the context, you can derive a definition. For Copyright 2007 WKMR/Ovid 4 All Rights Reserved
  6. 6. example, in the “Welcome to Ovid Page” section, the term idle time limit appears in italics within the context of inactive interface time allowed before an Ovid session times out. use mesz Mono-spaced Courier New font is used to indicate search terms and commands that you must type into a text box or onto a command line, as in: use mesz (a command that relocates a search session from the current database to the Ovid MEDLINE database). The following graphical conventions apply throughout the text of this manual. The Quick Tip icon identifies a recommended resource or an advanced searching technique. The Note icon indicates important information, such as exceptions to contextual information or helpful, additional details. The Ovid Support icon specifies a matter with which Ovid Customer Support could be helpful to you. The Site-specific Configuration icon points out a possible difference in features or functionality due to default or setting options specific to your site. Contact your site administrator for further information. The Caution icon designates a warning or error message information. NAVIGATIONAL AIDS FOR THIS MANUAL Several types of active links are provided to facilitate your access to related information. To use them, hold down the Control key on your keyboard and click the link. External links: Let you navigate to external Ovid sources for further information. Jumps to Field Guide List on Ovid Web Site External links to Ovid Customer Support are provided in places where your questions might require the assistance of an Ovid support representative. Copyright 2007 WKMR/Ovid 5 All Rights Reserved
  7. 7. Opens Email to Ovid Customer Support Internal Links: Let you navigate more easily to topics throughout the manual that interest you. To start, the manual’s table of contents links to each chapter. Linkable Table of Contents Each chapter starts with a list of linkable topics. Chapter Topic Links Links within chapters let you navigate between related concepts throughout the manual. Copyright 2007 WKMR/Ovid 6 All Rights Reserved
  8. 8. Reference Link to Related Information Finally, the end of every chapter provides these two link options. Table of Contents | Chapter Menu Click the Table of Contents link to return to the manual’s table of contents. Click the Chapter Menu link to return to the menu page of the chapter you are viewing. To activate any navigational aid in this manual, hold down the Control key while clicking the link. Copyright 2007 WKMR/Ovid 7 All Rights Reserved
  9. 9. CHAPTER 1: OPEN AN OVID SESSION WELCOME TO OVID PAGE OVID NEWS PAGE CHOOSE A DATABASE PAGE OVID DATABASE FIELD GUIDES Copyright 2007 WKMR/Ovid 8 All Rights Reserved
  10. 10. Depending on the configuration of the Ovid Web Gateway at your site, you may pass through several pages before your Ovid search session opens. These pages can include the following. • Welcome to Ovid Page • Ovid News Page (or a site-specific news page) • Ovid Choose a Database Page • Ovid Database Field Guides WELCOME TO OVID PAGE When you link to Ovid from your site’s home page or visit the Ovid URL provided by your system administrator, the Welcome to Ovid Page displays. Welcome to Ovid Page From this page, you have three options: • Ovid authentication, • Athens authentication, or • Shibboleth (Institution) authentication. Ovid Authentication From the Ovid login page, you can select one of three search modes for your Ovid session. • Advanced Mode: a feature-rich interface for developing search strategies. • Basic Mode: a simple interface for linear searching. • Find Citation Mode: a search form interface that locates specific records. Copyright 2007 WKMR/Ovid 9 All Rights Reserved
  11. 11. To log in to the Ovid Web Gateway, follow these steps. 1. Enter your user ID into the ID box. 2. Enter your password into the Password box. For security purposes, the characters of your password are masked as asterisks as you type. Ovid Web Gateway user ID and password information are case-sensitive. If you have difficulty logging in, see Appendix B: Troubleshooting. 3. Select a search mode default for your session: Advanced, Basic, or Find Citation. 4. Click the Start Ovid button. Only Ovid authentication information works on this page. Ovid verifies your access information and starts your Ovid session. If you forget your user name or password, contact your site administrator for assistance. Whenever you finish using Ovid, log off to free up a user license. If you follow a link out of the Ovid interface, you continue to occupy an Ovid software license until you log off or reach Ovid’s idle time limit. Only one Ovid user ID can be used per Ovid session. For additional user IDs, contact your site administrator. Athens Authentication Ovid supports Eduserv's Athens Authentication System. From the web page provided by your site administrator, click the Athens Login link. Athens displays an authentication page. Athens Authentication Point Page To log in to the Ovid Web Gateway from the Athens authentication page, follow these steps. Copyright 2007 WKMR/Ovid 10 All Rights Reserved
  12. 12. 1. Enter your user name into the box. 2. Enter your password. For security purposes, the characters of your password are masked as asterisks as you type. User name and password information are case-sensitive. If you have difficulty logging in, click the Login help link. 3. Click the Login link. Only Athens authentication information works on this page. Athens verifies your access information and starts your Ovid session. If you forget your user name or password, contact your site administrator for assistance. Whenever you finish using Ovid, log off to free up a user license. If you follow a link out of the Ovid interface, you continue to occupy an Ovid software license until you log off or reach Ovid’s idle time limit. SHIBBOLETH (INSTITUTION) AUTHENTICATION To begin the institutional authentication process, click the Institutional Login link. Ovid directs you to the Institutional Login page. Institutional Login Page From this page, follow these steps to log in. 1. Select your region from the dropdown menu. Ovid displays the available institutions. 2. Choose your institution. 3. Click the Login button. Copyright 2007 WKMR/Ovid 11 All Rights Reserved
  13. 13. Ovid displays your institution's authentication service login page. Sample Authentication Service Page The login authentication process varies from institution to institution. If you have questions about how to log in at your institution, contact your site administrator. Shibboleth authenticates your access information and starts your Ovid session. If you forget your user name or password, contact your site administrator for assistance. Whenever you finish using Ovid, log off to free up a user license. If you follow a link out of the Ovid interface, you continue to occupy an Ovid software license until you log off or reach Ovid’s idle time limit. Click the Help button on the Institutional Login page for additional information. OVID NEWS PAGE Depending upon site configuration, you may see an Ovid News Page after you log in. On this page, you can read about the following. • Content changes: new database releases or database reloads • Software changes: new search features or enhancements to existing functions • New releases of the Ovid software. • Scheduled maintenance downtime for the Ovid Web Gateway Copyright 2007 WKMR/Ovid 12 All Rights Reserved
  14. 14. Ovid News Page Click the Continue button located at the top left-hand side of the page to move from the news page to Ovid’s Choose a Database Page. Some news pages have been customized to site specifications. Instead of seeing an Ovid News Page, you may see a site-specific news page or no news page at all. CHOOSE A DATABASE PAGE The Choose a Database Page lists all Ovid databases to which your site subscribes. From this page, select any database or combination of databases in which to search. Copyright 2007 WKMR/Ovid 13 All Rights Reserved
  15. 15. Choose a Database Page If you want more information about a database, click its Information icon. A Database Field Guide opens in a separate window. For further details about Database Field Guides, see Ovid Database Field Guides. To search a single database, click the hyperlinked name of the database. To search more than one database simultaneously, select the check boxes of all the databases you want to compile into a multifile search session. For example, to compile an EMBASE, Ovid MEDLINE, and Your Journals@Ovid multifile, select the check boxes of these database names, then click the Continue button. Ovid opens your session on a Main Search Page of the database(s) you selected. Databases that do not display a check box on the Choose a Database Page are not available for multifile searching. The limit of selections for a multifile is based upon database segments rather than actual databases. Databases such as Ovid MEDLINE contain as many as nine segments, while databases such as AGELINE contain only one segment. The Ovid multifile segment limit is set at 120 to avoid impacting your search sessions. However, should you exceed this limit, Ovid displays an error message. Accessing Primal Pictures Depending upon your site’s subscription, you may have access to Primal Pictures on Ovid. Primal Pictures features the first complete three-dimensional model of human anatomy illustrating function, biomechanics, and surgical procedures. Copyright 2007 WKMR/Ovid 14 All Rights Reserved
  16. 16. If your site subscribes to Primal Pictures on Ovid, you can access it by selecting it from the Choose a Database Page. Ovid opens a Primal Pictures session. Primal Pictures on Ovid Primal Pictures offers interactive learning modules for the following topics. • • • Head and Neck Shoulder Spine • • • Hand/Physical Therapy Hip Thorax and Abdomen • • • Spine-Clinical Spine-Chiropractic Knee Surgery • • • Pelvis Knee Foot/Ankle-Sports Injuries • • • Knee-Sports Injuries Foot Interactive Functional Anatomy • • Foot-Podiatric Medicine and Shoulders-Sports Injuries Surgery Copyright 2007 WKMR/Ovid 15 All Rights Reserved
  17. 17. Primal Pictures Complete Human Anatomy and IFA includes an additional module: All Titles Plus Test Bank. This highly interactive resource includes a study guide and a test bank to ensure that students gain the most from their Primal Pictures experience. For complete details, click Primal Picture’s Information icon to open its product guide. OVID DATABASE FIELD GUIDES From the Choose a Database Page, you can open any database field guide by clicking the database’s Information icon. Ovid opens the field guide in a separate window. Ovid Database Field Guide Each Ovid field guide contains useful information about the database, including the following. • • • Scope of database content Field descriptions and Stop words examples • • • Producer contact information Limits Sample documents • • • Years of coverage Database tools Copyright information • • Update frequency Command line and sentence syntax Keep the field guide window open and toggle to it for reference while searching the database. For a complete listing of Ovid Database Field Guides, visit the Ovid web site at: Ovid Database Field Guides List. Copyright 2007 WKMR/Ovid 16 All Rights Reserved
  18. 18. Database Stop Words Some words (including articles, prepositions, and forms of the verb to be) appear so frequently within a database that they lose their usefulness as search terms or as part of searchable phrases. In many databases, Ovid does not search for these stop words. Even so, you can include stop words within phrases that you want to search. For example, in the phrase copper in sulfate, the word in is a stop word; and in some Ovid databases, Ovid does not search for it. Although stop words are not indexed as searchable terms, Ovid does retain them in your search results. To learn if stop words apply in the database(s) in which you are searching, refer to the field guide. Ovid Database Field Guides contain a complete list of database-specific stop words. If you are using a database with a stop word list, you can indicate to Ovid that you want them included by placing the entire phrase within quotation marks. For example, enter “hope and false hopes” in the keyword search box and retrieve this result. Table of Contents | Chapter Menu Copyright 2007 WKMR/Ovid 17 All Rights Reserved
  19. 19. CHAPTER 2: OVID’S MAIN SEARCH PAGE DATABASE BANNER SEARCH BOX SEARCH HISTORY LIMITS BOX SEARCH RESULTS DISPLAY SEARCH MODE OPTIONS: BASIC, FIND CITATION, ADVANCED Copyright 2007 WKMR/Ovid 18 All Rights Reserved
  20. 20. The Main Search Page (MSP) of any Ovid search mode (Basic, Advanced and Find Citation) offers these common elements. Display of database information and functional and navigational options such as Database Banner Change Database, Ask A Librarian, Ovid Help, Personal Accounts, Saved Searches/Alerts, and PayPerView access. Command line into which you enter search terms and queries. Search Box Display of statements in your current search strategy; includes functionality to Search History combine searches, delete searches, and save searches. A subset of database limits that you can apply to strategies and results sets directly Common Database from the Main Search Page. Limits available on the Main Search Page represent Limits the more commonly applied limits of the database(s) in which you are searching. For more details, see Common Database Limits. Page that displays records from a results set in your search history. Search Results Display DATABASE BANNER The banner of the Main Search Page tells you which database(s) you are searching and provides several functional options from the Main Search Page. Main Search Page Banner The options of the database banner include these active elements. a The Change Database icon allows you to move your search session intact to another database or to start a multifile search session. When you click it, Ovid opens the Choose a Database Page. Click the name of the new database. Ovid opens the Change Database Page with three options to proceed. Open new database(s) and re-run searches from your previous session. Open the new database(s) without re-running previous searches. Return to the Main Search Page of your previous session. Click one of these icons, and the search session re-opens on a new Main Search Page. Different Ovid database use fields and data structures that are unique to the scope of their data. This is important to keep in mind when switching between databases of different disciplines. For example, a term in Ovid MEDLINE may have a very different meaning (contextually) than the same term in PsycINFO. So, when changing databases, experiment with different vocabulary—and Copyright 2007 WKMR/Ovid 19 All Rights Reserved
  21. 21. with different field names—to obtain comprehensive results. Use the dot-dot command ..c/<dbshortcode> to change databases directly from the keyword command line. For example, type ..c/mesz to change to the Ovid MEDLINE database. The command use <dbshortcode> also changes databases directly from the command line. For example, type use mesz to change to the Ovid MEDLINE database. See database field guides for quick commands and database short codes. See Appendix A: Ovid Quick Tips for more advanced searching tips. Changing databases within an Ovid Basic Mode session takes you immediately to the new database Main Search Page instead of the intermediary Change Database Page. All previous search strategies will be lost. To change databases and preserve the search session strategies, be sure to change to Ovid’s Advanced Mode first. b The Ask a Librarian icon provides access to a site expert who can assist you with questions about searching in Ovid. This resource appears on many pages throughout your session. The Ask a Librarian icon is a site-configured entity. If you do not see an Ask a Librarian icon in your display, contact your site administrator. The appearance of the Ask a Librarian icon in this example is Ovid’s default display. This resource can display as an icon in the database banner or as a link directly below the banner. In addition, you can name the icon or link differently at your site (such as, Ask an Ovid Expert). c The Help icon opens a separate window that displays information about the current page in your session. This resource appears on all pages of your session. d The Logoff icon ends your Ovid session and frees up an Ovid user license. It appears on all pages of your session. Logoff URLs can be set by site administrators to redirect you to a site-specific webpage. Therefore, you may be taken to another page when you log off Ovid instead of to the default Welcome to Ovid Page. Use the command line syntax ..o to log off quickly. e The Personal Accounts icon accesses secure pages in which you can store your personal searches. For more details about this Ovid functionality, see Secure an Account of Saved Searches. f The Saved Searches/Alerts icon accesses all searches that you saved previously for continued use and development. Copyright 2007 WKMR/Ovid 20 All Rights Reserved
  22. 22. g The PayPerView Account icon provides an online account where you can purchase Ovid Full Text from journals to which your site does not subscribe. For more details, see Ovid’s PayPerView (PPV). When enabled at your site, PayPerView (PPV) links appear throughout your Ovid session. For information about PPV at your site, contact your site administrator. h The View Cart icon provides access to the Ovid articles you want to purchase from your current search session. For more details, see View Your PPV Order History. SEARCH BOX Each Ovid search mode has a search box that differs slightly from the others. The Basic Mode search box uses two text entry boxes: one for keywords and one for author names. Basic Mode Search Box For more details, see Basic Mode later in this chapter. The Advance Mode search box utilizes one command line capable of five different search types. Advanced Mode Search Box The fifth search type—Natural Language—only appears in the Books@Ovid database. For details, see the Natural Language Searching section in Search Books@Ovid. For more details, see Advanced Mode Search Types. The Find Citation mode search box utilizes text entry boxes for specific fields that help you find a known article with greater ease. Copyright 2007 WKMR/Ovid 21 All Rights Reserved
  23. 23. Find Citation Mode Search Box For details, see Find Citation Mode later in this chapter. You can move easily between Ovid’s three search modes by clicking the search mode tabs that display with each search box. SEARCH HISTORY As you run searches, Ovid posts search statements and results to your search history. Search History Copyright 2007 WKMR/Ovid 22 All Rights Reserved
  24. 24. Use the following search history functional options to expand upon your current search strategy. • • Combine sets Display records from a results set • • Delete sets Expand and contract your search history • • Save sets for future development Remove duplicate records from search results of a multifile session • Create an AutoAlert using this strategy As search sets accumulate in your search history, the length of your strategy can become cumbersome. To manage longer strategies, Ovid displays only the four most recent statements in the search history. Search History: Contracted View To view all search sets and results, click the Expand tab located on the right side of the search history. Ovid opens the search history to show all search sets and results within the current strategy; and the Expand tab is replaced by a Contract tab. Search History: Expanded View Copyright 2007 WKMR/Ovid 23 All Rights Reserved
  25. 25. To return to a compacted display, click the Contract tab. Use the command ..ps directly from the keyword command line, and Ovid displays your entire strategy in a separate view called Current Search History. From this, you can use web browser functionality to print or download the strategy. Click the Main Search Page icon to return to your active session. Combine Searches In your overall development of a search strategy, you may find it useful to combine the results of two or more search sets. To do so, click the Combine Searches icon. Ovid opens the Combine Searches Page. Combine Searches Page Copyright 2007 WKMR/Ovid 24 All Rights Reserved
  26. 26. From this page, restrict or combine results from as many search sets as you want. To do so, follow these steps. 1. Check the boxes of the search sets you want to combine. 2. Choose a Boolean set operator from the pull-down menu. Retrieves results that are common to the selected search sets and deletes the rest AND Merges records of the selected search sets OR 3. Click the Continue button. Ovid posts results to a new search set in your search history. Combined Search Results In this example, Ovid has compiled search set 6 by applying the AND operator and retrieving only those results that are common to search sets 1 and 5. Ovid has compiled search set 7 by applying the OR operator to combine results from search sets 1 and 5. More Boolean operators (OR, AND, NOT, ADJ, ADJn, and FREQ) can be applied from the keyword command line. For details, see Appendix A: Ovid Quick Tips. Use the command <set#> <and/or> <set#> to combine results from the keyword command line. For example, the command 1 and 3 retrieves only those results that the first and third search sets have in common. The command 1 or 2 or 3 combines results of the first, second and third search sets. Delete Searches In the development of your search strategy, certain statements may become obsolete to your overall strategy. You can delete these statements by clicking the Delete Searches icon. Copyright 2007 WKMR/Ovid 25 All Rights Reserved
  27. 27. Selecting Delete Searches Ovid opens the Delete Searches Page. Delete Searches Page Select the check box of a search set you want to remove, then click the Continue button. Ovid removes the search set and displays the edited strategy in your search history. Use the command ..pg <x> to delete (purge) a search set from the keyword command line. For example, the command ..pg 3 removes the third search set from your overall strategy. To remove multiple statements, type a comma between search set numbers that you want to delete. For example the command ..pg 3,4 removes the third and fourth search sets from your strategy. The command ..pg 3-5 removes the third, fourth and fifth search sets. And the command ..pg all deletes all search sets from your search history. Copyright 2007 WKMR/Ovid 26 All Rights Reserved
  28. 28. During the development of your search strategy, some search sets will have a dependency upon previous search sets; these are known as dependent sets. If you try to delete a search set that has dependent sets associated with it, Ovid issues this warning: This command will also purge the selected dependent sets. Should you continue to delete, Ovid will remove the set you chose and all of its dependent sets. Deleted search sets cannot be recovered. Save Searches and AutoAlerts In the development of your search strategy, you may decide that you want to save it for later use or further development. You can save searches by clicking the Save Search/Alert icon. Selecting to Save a Search from the Main Search Page Ovid opens the Save Current Search Page. Copyright 2007 WKMR/Ovid 27 All Rights Reserved
  29. 29. Save Current Search Page From this page, you can save searches temporarily, permanently, or as an AutoAlert. For details, see Save a Search and Create an AutoAlert. Remove Duplicates Multifile searching allows you to run searches through multiple Ovid databases as though they were one, retrieving results from each database. In this process, a search set can contain more than one copy of the same record. These duplicate records skew results numbers and clutter your output. Ovid’s deduplication functionality lets you remove duplicate records from search set results before viewing, saving, or printing the records. When you run a multifile search, a search set and results display in the search history much like that of any other search. Copyright 2007 WKMR/Ovid 28 All Rights Reserved
  30. 30. Multifile Results in Search History Click the Details button of a set to see a break down of results from each database. Ovid shows search set results by database in your search history. Click the No Details button to collapse these results. To remove duplicate records from your multifile results, click the Remove Duplicates icon. Ovid opens the Remove Duplicates Page. Copyright 2007 WKMR/Ovid 29 All Rights Reserved
  31. 31. Remove Duplicates Page From this page, follow these steps. 1. From the search history, select a search set to deduplicate. 2. OPTIONAL: Edit deduplication preferences. Changing preferences makes Ovid deduplicate the results set differently. Changes the search criteria so that Ovid first looks for your term in the field Field Preference indicated as your preference. Changes the results display criteria so that Ovid prioritizes results from the Database database indicated as your preference. Preference Ovid applies the preferences—field preference first, then database preference—to determine which results to retain and which to remove. 3. Click the Continue button. Larger results sets take longer to deduplicate than smaller results sets. You can deduplicate sets of 6000 results or fewer. If the set you want to deduplicate has more than 6000 results, use limits, fields, and other search options to reduce the size of the set before deduplicating. Ovid displays the deduplicated set in your search history back on the Main Search Page. Copyright 2007 WKMR/Ovid 30 All Rights Reserved
  32. 32. Deduplicated Results Set in Search History If Ovid does not find duplicate records in the set, it displays this message in the search history: No duplicates were detected! You can deduplicate a search set directly from the command line using this command: ..dedup <setnumber>. For example, the command ..dedup 2 removes redundant records from the results of search set 2. Using this command does not permit you to set your own deduplication preferences. After Ovid has deduplicated a search set, you can review the duplicate records and make adjustments to the deduplicated set. To do so, click the Review Duplicates button in the display section of the deduplicated set. Ovid opens the Review Duplicates Page. Review Duplicates Page On this page, Ovid displays the pairs of duplicate records first. Within these pairings, Ovid lists preferred records before the eliminated duplicates. Unique records display after these pairings. Copyright 2007 WKMR/Ovid 31 All Rights Reserved
  33. 33. Both preferred and unique records are selected throughout the display. Preferred, Eliminated, and Unique Records Ovid also applies your field and database preferences from the Remove Duplicates Page. For example, a field preference for records with abstracts results in preference given to records that include abstracts on the Review Duplicates Page. A database preference of Ovid MEDLINE records results in preference given to Ovid MEDLINE records over records from other database(s) of your multifile. Each record on the Review Duplicates Page contains these elements. Record Number and Lets you indicate records you want to change. Check Box Identifies the database from which a record was retrieved. Database Name Denotes whether the record is preferred, eliminated, or unique. Record Status Provides information about the record itself, including author, title, publication Record-specific type, source, accession number. Information Provide record-specific linking options. Links Make as many changes as you want to the selection of records from this page. For example, click the check box of a duplicate record, and Ovid will not delete it from the set. Or, unselect a preferred record, and Ovid will delete it from the set. Use Next Record and Previous Record buttons to navigate through Copyright 2007 WKMR/Ovid 32 All Rights Reserved
  34. 34. the page. Choose records you want to include or eliminate by clicking their check boxes. Once you have made changes, click the one of the following buttons to proceed. Applies changes and posts a new set to the Main Search Page. Cancels changes and returns to the Main Search Page without posting a new set. LIMITS BOX For your convenience, the Main Search Page of both Basic and Advanced modes provides a selection of database limits for immediate use in developing your overall search strategy. Common Database Limits on the Main Search Page These limits are a partial selection of all the limits available to the database in which you are searching. For details, see Common Database Limits. Copyright 2007 WKMR/Ovid 33 All Rights Reserved
  35. 35. SEARCH RESULTS DISPLAY Ovid’s Search Results Display lets you browse through the individual records of results retrieved from search sets in your search history. To view a set of records, click the corresponding Display icon of the set you want to view. Selecting to Display a Results Set Ovid opens a display of records from that results set. For details, see Browse Your Results Records. SEARCH MODE OPTIONS When you select a search mode from the Welcome to Ovid Page, you set the default search mode for the Main Search Page of your search session. Once on the Main Search Page, you can move between search modes easily. Performs simple searches: submit a keyword and/or author search, view results, Basic Mode and exit the system. Performs more complex searches: develop lengthy search strategies. Advanced Mode Locates citations about which you know basic information such as journal name, Find Citation Mode volume number and issue of an article you want to retrieve. In any Ovid search mode, you can take advantage of these search features. • • Ovid Jumpstarts to Main Search Page Feature-rich Search Results Display • • Unlimited search history Lateral linking to bibliographic and full text resources within your site’s subscription • • Combine or delete sets within a strategy Simultaneously search multiple Ovid resources within your site’s subscription • • Save searches for later use and development Deduplication of multifile results • • Set AutoAlerts to favorite data sets Easy access to full text (and graphics) within your site’s subscription Copyright 2007 WKMR/Ovid 34 All Rights Reserved
  36. 36. • • Saved searches/AutoAlerts options PayPerView access to unsubscribed Ovid resources • • Secured accounts for personal research Output records through Ovid’s Results Manager Basic Mode Ovid’s Basic Mode search interface is as simple to use as most popular web-search engines. It features basic keyword and author searching with a compliment of database limits. Main Search Page: Basic Mode Common database limits on the Main Search Page remain “sticky” between search modes to facilitate your search experience. In addition, Basic mode is capable of handling your multifile sessions and jumpstarts. The Basic mode Main Search Page uses two text entry boxes for searching. Type a term into the keyword text box. Click the Perform Search button. Ovid runs a subject Keywords search through the default fields of the database. Copyright 2007 WKMR/Ovid 35 All Rights Reserved
  37. 37. Enter an author’s last name into the author text box. For more precise results, enter last Author name followed by a space and the first initial. Click the Perform Search button. If the author for whom you are searching has published more than once, you can focus your search to only the works of that author by entering both the author name into the author text box and a term or phrase into the keyword text box. Basic Mode Text Entry Boxes Applying limits to a basic search creates filtering criteria and reduces the number of records in your results set. Ovid’s Basic Mode provides the convenience of applying the most common database limits directly from the Main Search Page. Common Database Limits These database limits can be applied quickly and easily to your searches. The following table lists a few of the more common limits that are available from database to database. Limits results to only those records that provide access to institutionally- Full Text subscribed full text (Ovid Full Text), externally-hosted full text (from publishers and aggregators) and Open Access electronic full text. Depending upon your site’s database subscriptions, this limit can also include EBMR (article reviews and topic reviews), Ovid PDF, CINAHL PDF, and CINAHL ASCII full text. Limits results to those that pertain to human subjects. Human Limits results to those from the current update of the database. Latest Update Limits results to only those that include abstracts. Abstracts Limits results to only those written in English. English Language Limits results to only those from within a certain year or range of years. Publication Year Select as many limits as needed to focus your search. Copyright 2007 WKMR/Ovid 36 All Rights Reserved
  38. 38. To run a Basic Mode search, follow these steps. 1. Enter a term into the keyword text box or a name into the author text box or both. 2. OPTIONAL: Select the check boxes of a limit(s) you want to apply to your search. In the case of Publication Year limits, select a range of years from the drop-down list. 3. Click the Search button. Ovid runs your search and posts results to the search history. Limits are database specific and therefore can differ from database to database. For a complete list of limits available within a database, go to the Limit a Search Page of your current session. Find Citation Mode Ovid’s Find Citation Mode lets you combine specifically fielded data to retrieve results of journal article citations. You can access Ovid’s Find Citation Mode in one of three ways. • Select Find Citation Mode from the Welcome to Ovid Page. • Click the Find Citation tab on the Main Search Page. • Set Find Citation Mode in a preset Ovid Jumpstart. The Main Search Page of Find Citation Mode differs in several ways from Basic Mode and Advanced Mode searching. Copyright 2007 WKMR/Ovid 37 All Rights Reserved
  39. 39. Main Search Page: Find Citation Mode The search box of Ovid’s Find Citation mode offers a selection of options to help you find journal article citations. It is a text entry request form of specific fields that helps you find journal article citations. Copyright 2007 WKMR/Ovid 38 All Rights Reserved
  40. 40. Find Citation Mode Search Box In citation searching, Ovid restricts retrieval to only those records that satisfy the criteria you enter into the search boxes. a Article Title: Restricts retrieval to only those records that contain your term(s) as part of the article. b Journal Name: Restricts retrieval to only those records that contain your term(s) as part of the name of the journal. c Author Surname: Restricts retrieval to only those records that contain the name you enter as part of the author’s surname. Automatic truncation is a default setting for the journal name and author surname fields. To change this setting, contact your site administrator. Find Citation automatically truncates the Journal and Author fields. However, truncation is available in any field. To broaden search results, enter fewer than four characters truncated by the ‘$’ sign. For example, type ang$ in the Title field, and Ovid retrieves results containing terms like Angola, angiostrongylus, angiogenesis, and so on in the title. d Volume: Restricts retrieval to only those records whose journal volume number matches the number you enter e Issue: Restricts retrieval to only those records whose issue number matches the number you enter f Article First Page: Restricts retrieval to only those records for which the first page of the article matches the number you enter g Publication Year: Restricts retrieval to only those records of journals whose publication date matches the year you enter Command line syntax is not supported in Ovid’s Find Citation Mode. To perform a citation search, enter data into at least one of the fields and click the Search button. Ovid runs the search and posts results to your search history. Click the Display icon for the results set you want to view. Or use search box navigational aids to continue developing your search strategy in another mode. Switches to Advanced Mode searching. Switches to Basic Mode searching. Advanced Mode Ovid’s Advanced Mode, the Main Search Page includes additional features of Ovid’s searching. Copyright 2007 WKMR/Ovid 39 All Rights Reserved
  41. 41. Main Search Page: Advanced Mode In addition to the core functionality of any Ovid search mode, Advanced Mode offers these search facilitating options. • Four search type options • Database fields • Database tools • Vocabulary mapping (in select databases) • Full selection of database limits • Boolean and Ovid syntax capabilities Keyword searching is the default search type of Ovid’s Advanced Mode. However, keyword searching is only one of five search type options from which you can choose. Searches for terms and phrases within default fields of the database. Searches for names of authors. Searches for terms and phrases in titles of chapters and sections. Searches for terms and phrases in Journals@Ovid titles. Copyright 2007 WKMR/Ovid 40 All Rights Reserved
  42. 42. In the Books@Ovid database, the Book Name icon lets you search for terms and phrases in Books@Ovid titles. For details, see Book Name Searching. Searches ordinary language queries. Available in Books@Ovid only. For details, see Natural Language Searching. Select a search type by clicking its icon from the menu located above the command line. Additionally, these options facilitate your search session. Switches to Basic Mode searching. Switches to Find Citation Mode searching. Opens the Search Fields/Indexes Page where you can direct your search through any database-specific fields available. For more details, see Database Fields. Opens the Select a Tool to View Page where you can direct a subject search through a database-specific tool. For details, see Database Tools. Opens the Limit a Search Page where you can find all limits available to the database(s) in which you are searching. From this page, you can restrict search retrieval to any database-specific limits available. For details, see Database Limits. After performing any of these advanced searches, Ovid returns the command line to keyword searching, except in the Books@Ovid database. In Books@Ovid, the command line defaults back to Ovid’s Natural Language searching. Table of Contents | Chapter Menu Copyright 2007 WKMR/Ovid 41 All Rights Reserved
  43. 43. CHAPTER 3: ADVANCED MODE SEARCH TYPES KEYWORD SEARCH AUTHOR SEARCH TITLE SEARCH JOURNAL SEARCH Copyright 2007 WKMR/Ovid 42 All Rights Reserved
  44. 44. KEYWORD SEARCH In Ovid’s of Advanced Mode, keyword searching is the default search type. To perform a keyword search, follow these steps. 1. Click the Keyword icon. Ovid sets the command line to keyword searching. Keyword Command Line 2. Type a term or phrase into the keyword command line. 3. Click the Search button. Ovid runs the search and displays results in your search history. Keyword Results in Search History In addition to performing traditional keyword searches, Ovid’s keyword command line lets you take advantage of Ovid search syntax, dot-dot commands, Boolean operators, and index searching—without having to type long or repetitive statements. For details, see Appendix A: Ovid Quick Tips. AUTHOR SEARCH Author searching lets you find articles, journals, and other records written by a particular person. To run an author search, follow these steps. 1. Click the Author icon. Ovid sets the command line to author searching. Copyright 2007 WKMR/Ovid 43 All Rights Reserved
  45. 45. Author Command Line 2. Type a last name into the command line; you do not have to know the first name or the entire last name. 3. Click the Search button. Ovid opens an alphabetically arranged Author Index Display at the point of the name you entered. Authors Index Display 4. Select the check box of an author name. 5. Click the Perform Search button. Ovid displays results in your search history back on the Main Search Page. Author Results in Search History From the Author Index Display, you can also search for names elsewhere in the index by typing a new name into the search box provided and clicking the Go button. Navigational icons at the top of every page let you move forward or backward in the index display. Copyright 2007 WKMR/Ovid 44 All Rights Reserved
  46. 46. Use the keyword command-line syntax <name>.au. to retrieve author names from directly from the Main Search Page. For example, the command singh a.au. searches for all instances of the name Singh (with the first name initial a) that appear in the Author field of the database. If you do not know an author’s first name or initial, truncate the name as in the keyword command singh $.au. This retrieves all authors in the database with the specified surname. Author searching is not case sensitive. TITLE SEARCH Title searching lets you find specific words or phrases in the titles of bibliographic records and full text articles. To create a title search, follow these steps. 1. Click the Title icon. Ovid sets the command line to title word searching. Title Word Command Line 2. Type a term into the command line. 3. Click the Search button. Ovid retrieves results that contain the term in the Title field of the database and displays results in your search history. Title Search Results in Search History Use the keyword command-line syntax <term>.ti. to retrieve a search term more quickly from the Title field. For example, the command encephalopathy.ti. retrieves results that contain the term encephalopathy in the title field of the database. JOURNAL SEARCH Journal searching lets you search the contents of all journals in the Journals@Ovid database. To create a journal search, follow these steps. 1. Click the Journal icon. Ovid sets the command line to journal name searching. Copyright 2007 WKMR/Ovid 45 All Rights Reserved
  47. 47. Journal Command Line Enter the first few letters of a journal name into the command line. You do not need to know the full journal name to search in this manner. For example, if you want to find a journal that you know contains the term child in the title, type child into the journal command line. 2. Click the Search button. Ovid opens a Journal Index Display at the child- point in the index. Journal Index Display You can browse through the list of journal titles by using the Back in Index and Forward in Index buttons to navigate from page to page. 3. Select the check box of the journal you want to search. 4. Click the Perform Search button. Ovid displays results in the search history back on the Main Search Page. Journal Search Results in Search History Copyright 2007 WKMR/Ovid 46 All Rights Reserved
  48. 48. To locate results in only those journals to which your site subscribes (and access their full text), limit these results to Ovid Full Text Available. From the Journal Index Display, you can also search for journals elsewhere in the index by typing a new term into the search box and clicking the Go button. For example, type arthritis into the text entry box and click Go. Ovid jumps to the A section of the index and displays journal titles that begin with the word arthritis. From there, Ovid continues the display alphabetically. Journal Index Display for the Term arthritis If the term you enter does not exist in the Journal Index Display, Ovid jumps to the next closest journal name alphabetically. If your site subscribes to a Journals@Ovid collection, you can then access the full text articles from you results records. For more information about Ovid Full Text, see Journals@Ovid Full Text. In addition to command line search options, Ovid advanced searching offers access to database-specific fields, tools, and limits. Table of Contents | Chapter Menu Copyright 2007 WKMR/Ovid 47 All Rights Reserved
  49. 49. CHAPTER 4: FIELDS AND LIMITS DATABASE FIELDS DATABASE LIMITS Copyright 2007 WKMR/Ovid 48 All Rights Reserved
  50. 50. DATABASE FIELDS In Ovid’s Advanced Mode, applying fields to a search (or fielding a search) runs the search in specific fields (or areas) of the database in which you are searching. Fielded Results in Search History When you click the More Fields icon, Ovid opens the Search Fields/Indexes Display. Copyright 2007 WKMR/Ovid 49 All Rights Reserved
  51. 51. Search Fields Indexes Display (partial view) From the display, you can view all indexed fields of the database. Two-letter field codes display inline with the full name of the field. To learn more about a specific field on the list, click the Information icon beside the name of the field of interest. The following information displays. • Date of the term’s entry into the database vocabulary • A definition of the field within the context of the database(s) • Stop words (when applicable) This information can help you select fields to apply to your search. In the case of a multifile search, field information about the Abstract field might reveal that abstracts apply to all databases of the multifile, but the description of an abstract may differ within the context of each database. Scope Note Information for the Abstract Field of a Database Fields marked with this icon can be searched but have no index. Copyright 2007 WKMR/Ovid 50 All Rights Reserved
  52. 52. Multifiled databases contain a superset of all fields available to each of the component databases, which can raise these special circumstances. • A field in one database may not be available in other databases of the multifile. Even though it displays amongst fields available for the multifile, it only applies to the database from which it came. • A field in one database may have been assigned a different two-letter code than the same field in another database. For example, the Entry Week field in CINAHL is assigned the two-letter code EW; while the same field in EMBASE has been assigned the two-letter code EM. Both display in the list of fields available to the multifile. • The same field may be used differently from database to database; in a multifile, this can produce a variance in meaning amongst your results. Some multifiles may contain different fields with the same two-letter code. For example, the TN code in EMBASE is used to indicate the Drug Trade Name field; while the same two-letter code in BIOSIS PREVIEWS is used to indicate the Taxa Notes field. Fielding a Search Once you determine the field(s) through which you want to run your search, follow these steps. 1. Select the check box of field(s) of interest. 2. Enter a search term in the Text Entry box at the top of the page. 3. Click the Perform Search button. Search Fields/Indexes Display Page Ovid searches for the term in only those fields that you selected then displays results in your search history back on the Main Search Page. Field Search Results in Search History From the keyword command line, type <term>.<xx> to field a search directly from the Main Search Page. For example, the command enchephalopathy.ab retrieves records that contain the term encephalopathy in the Abstract field of the database. To search for a term in more than Copyright 2007 WKMR/Ovid 51 All Rights Reserved
  53. 53. one field, separate the two-letter field codes with a comma. The command enchephalopathy.ab,ti retrieves records containing the term encephalopathy in the Abstract and Title fields. For more advanced searching tips, see Appendix A: Ovid Quick Tips. From the Search Fields/Indexes Display, you can also type a search term, select fields, and view the term in a field index comprised of only your selections. Viewing Field Indexes Database indexes are a powerful vocabulary tool in your Ovid session because the use of terms can vary widely from database to database. An index clarifies how the database in which you are searching uses the terms chosen for your search. Field indexes facilitate your search by listing terms (and their variations) in context of each database field. To view a fielded index for a specific term, follow these steps from the Search Fields/Indexes Display. 1. Type a term or phrase into the text box provided. Single-word terms (like aspirin) are best searched in word-indexed fields like Title (TI) and Abstract (AB). Phrase-indexed terms (like asthmatic disorders) are best searched in phrase-indexed fields like Keyword Heading (KW), Journal Name (JN), and Subject Headings (SH). Make your field selections accordingly. When in doubt, use a single word. For more information about word- and phrase-indexed fields, refer to the database field guide. 2. Select fields from the list. If you want to view your term in an index of all fields, select the All Fields (AF) box at the top of the page. 3. Click the Display Index(es) button. Ovid opens a fielded index display that lists results for your term in each of the fields indicated. For example, when we field the term aspirin to title words (TI) and abstracts (AB), Ovid creates a fielded index of results for the term aspirin in both fields, followed alphabetically by terms similarly fielded. Copyright 2007 WKMR/Ovid 52 All Rights Reserved
  54. 54. Fielded Index Display (partial view) Numbers in the postings column indicate how many records can be retrieved by selecting the correlating fielded term. In our example, selecting aspirin fielded to titles would generate 2968 records with the word aspirin in the title. In a multifile index display, Ovid combines the fielded results from all of the databases. For example, results posted from a Title (TI) fielded term in a multifile index display represent the number of results that can be retrieved from the Title fields of all databases in the multifile. Navigating an Index Display Use these aids to navigate quickly through an index display. Navigates backward through the index. Navigates forward through the index. Jumps to another location within the same index when you type a new term into the text box and click the Go button. For example, from the previous abstract-title index for the term aspirin, type the term asthma and click the Go button. Ovid jumps from the aspirin point of the abstract-title fielded index to the point that lists asthma and its variations. From any index display, retrieve results by selecting the check boxes of fielded terms of interest to you. Click the Perform Search button. Ovid posts results to your search history back on the Main Search Page. Fielded Index Search Results Ovid’s command line syntax lets you locate a term within fielded indexes directly from the Main Search Page. This search technique is known as rooting into a fielded index display. Rooting the Term aspirin into an Abstract-Title Index Copyright 2007 WKMR/Ovid 53 All Rights Reserved
  55. 55. Use the keyword command line syntax root <term>.<xx> to open a fielded index display directly from the Main Search Page. For example, the command root aspirin.ab opens the Abstract Index Display at the point of the term aspirin. Other root command examples include the following. root nursing inquiry.jn. Displays the phrase nursing inquiry in a Journal Name (JN) fielded index. root aspirin.ab,ti,hw. Displays the term aspirin in the combined Abstract (AB), Title (TI), and Heading Word (HW) fielded index. root blood pressure.sh. Displays the phrase blood pressure in the Subject Heading (SH) fielded index. DATABASE LIMITS Applying limits to your searches creates filtering criteria for retrieval and reduces the number of records in your results set. Ovid database limits focus your search on a specific aspect of information contained in a record. Limits vary from database to database and reflect functionality built into the database by its producer. Examples of limits in Ovid databases include: • Abstracts, • Full Text, • Language, • Latest update, • Publication Year, and many more. In Ovid’s Advanced Mode, limits are available from two locations. Limits found here represent only the more commonly applied limits of the Main Search Page database(s) in which you are searching. Limits found here represent the full array of limits specific to the database(s) in Limit a Search Page which you are searching. Common Database Limits All of Ovid’s databases include the ability to focus search results directly from the Main Search Page with an array of the most common database limits. Copyright 2007 WKMR/Ovid 54 All Rights Reserved
  56. 56. Common Database Limits The Books@Ovid database does not have lamits. Only the Publication Year limit is available from the Main Search Page. To access all other Books@Ovid limits, click the More Limits icon. Common database limits are culled from the full suite of limits available because they are the most commonly used limits of the database(s). For convenience, Ovid locates these limits in their own section on the Main Search Page. From there, you can apply them directly to your search statements. The following are a few of the more common limits from database to database. Limits results to only those records that provide full text access to institutionally- Full Text subscribed full text (Ovid Full Text and externally-hosted full text from publishers and aggregators) and Open Access, electronic full text. Depending upon database subscriptions at your site, this limit can also include EBMR (article reviews and topic reviews), Ovid PDF, CINAHL PDF, and CINAHL ASCII full text. Limits results to those that pertain to human subjects. Human Copyright 2007 WKMR/Ovid 55 All Rights Reserved
  57. 57. Limits results to those from the current update of the database. Latest Update Limits results to only those that include abstracts. Abstracts Limits results to only those written in English. English Language Limits results to only those from within certain years or range of years. Publication Year To apply a common limit(s) from the Main Search Page, follow these steps. 1. Select the check boxes of limits you want to apply to your next search statement. Or in the case of the Publication Year limit, select a range of years from the drop-down menu. Select as many limits as needed to focus your search. 2. Type a statement into the command line. 3. Click the Perform Search button. Ovid applies the limits selected to the search statement and post results to the search history. Results of Search Limited to Full Text and a Date Range Limits are database specific and can differ greatly from database to database. For a complete list of database-specific limits, go to the Limit a Search Page. By default, common database limits do not remain selected in database or multifile sessions. You must reselect limits from the Main Search Page with every search you run. However, your site administrator can configure a setting to make your limit selections “stick” in any database or multifile session. When sticky limits are enabled, common limit selections reset only when you switch your session to another databases. To enable this functionality, contact your site administrator. Sticky limits are available for common database limits only. They do not apply to the full selection of database limits available on the Limit a Search Page. When sticky limits are applied to a database or multifile session, the Publication Year limit displays on the Main Search Page only; it no longer displays on the Limit a Search Page of the database. A selection of common database limits can be preset automatically for searches (including jumpstarts) in a specific database or multifile so that you do not have to select them when you first start your session. To enable this functionality in Ovid, contact your site administrator. Database-specific Limits Copyright 2007 WKMR/Ovid 56 All Rights Reserved
  58. 58. You can utilize all database-specific limits to further refine your results by clicking the More Limits icon. Ovid opens the Limit a Search Page. Limit a Search Page This page has three sections to it. Ovid applies limits that you select to one of the statements from this display search history of your current search history. These limit options are a further expansion of those found on the Main Search limit check boxes Page, including Publication Year. The Ovid Full Text Available and Full Text limit options of this section differ in the following manner. Ovid Full Text Available limits retrieval to only those records through which Copyright 2007 WKMR/Ovid 57 All Rights Reserved
  59. 59. you can access Ovid full text journal articles, either through your site’s subscription or through Ovid’s PayPerView. Full Text limits results to only those records that provide full text access to institutionally-subscribed full text (Ovid Full Text and externally-hosted full text from publishers and aggregators) and Open Access, electronic full text. Depending upon database subscriptions at your site, this limit can also include EBMR (article reviews and topic reviews), Ovid PDF, CINAHL PDF, and CINAHL ASCII full text. The Ovid Full Text limit and Full Text limit that display in this section are configured and enabled by your site administrator. If you do not see one or the other of these limits, contact your site administrator. These additional limit options are broken into menus of subcategories for your limit menus review. Apply one or more limits from a menu by holding down the Control key and clicking on selections. Selections remain highlighted as you move from limit to limit. To apply limits to an existing search statement from the Limit a Search Page, follow these steps. 1. From the current search history display, select the statement to which you want to apply a limit(s). 2. From both limit sections, select the limits you want to apply to the statement. 3. Click the Limit a Search button. Ovid re-runs the search, applying your limit selections to the search statement indicated, and posts results to the search history on the Main Search Page. Limit types and formats will differ from database to database. The Ovid Full Text limit and Full Text limit are configured and enabled by your site administrator through the Links@Ovid Administrator Tool. If you do not see one or the other of these limits, contact your site administrator. Use dot-dot command-line syntax to restrict record retrieval directly from the Keyword command-line. To do so, type: ..l/3 pt=drug reference. This command limits retrieval from your third results set to only those records that are drug reference publications. Limit results to a year of publication by using the following dot-dot command-line syntax: ..l/<set number> yr=<year>. Publication year is indicated in the command as four digits (as in 1966) or a hyphenated four-digit year range (as in 1966-1989). So, the command ..l/2 yr=1989-1999 limits retrieval from the second results set to only those records published between 1989 and 1999. Use sentence syntax to restrict record retrieval directly from the command-line. To do so, type: limit 13 to cardiology. This command limits retrieval from the thirteenth results set to only those records about cardiology. For a list of database-specific limits, refer to the database field guide. Table of Contents | Chapter Menu Copyright 2007 WKMR/Ovid 58 All Rights Reserved
  60. 60. CHAPTER 5: VOCABULARY TOOLS INTRODUCTION TO OVID’S VOCABULARY TOOLS VOCABULARY MAPPING SUBHEADINGS TREE TOOL THESAURUS TOOL PERMUTED INDEX TOOL SCOPE NOTES CLASSIFICATION CODES TOOL Copyright 2007 WKMR/Ovid 59 All Rights Reserved
  61. 61. OVID’S VOCABULARY TOOLS In Ovid’s Advanced Mode, vocabulary tools let you discover more about your search terms within the scope of the database. To access these tools, click the Search Tools icon from the Main Search Page. Ovid opens the Select a Tool to View Page. Select a Tool to View Page Here, you can preview a list of tools available for the database. Tool selections differ from database to database. A graphical representation of the database’s hierarchical vocabulary structure. Tree Ovid’s Tree Tool permits you to view a known subject heading within the contexts of the database in which you are searching. A graphical representation of the database’s vocabulary structure arranged Thesaurus alphabetically rather than hierarchically. The Thesaurus tool permits you to view a known subject heading within an alphabetical listing of other subject headings. A graphical representation of a single-word search term within a context of Permuted Index similar terms, related terms, and used-for terms. The Permuted Index (PTX) tool lets you examine a broader range of meaning for terms of interest to you. If you are uncertain about the exact wording of a search term, use the PTX to explore what you want in the context of the database in which you are searching. Information about database indexed terms with which you can select other Scope Note terms for searching or expand concepts for search strategies. Copyright 2007 WKMR/Ovid 60 All Rights Reserved
  62. 62. Associated terms of subject headings that focus the meaning of your search on a Subheadings specific aspect of the subject heading. For example, subheadings of the subject heading neoplasms can include: diagnosis, diet therapy, drug therapy, rehabilitation, and so on. Select any one or a combination of subheadings to refine your search. A display of database-specific subject categories, arranged in a hierarchy from Classification Codes broader concepts to narrower terms. Searching on known classification codes can be a convenient way to cull subsets from broad subject categories. To apply a tool to a search term, follow these steps from the Select a Tool to View Page. 1. Type a term in the subject box. 2. Select the Radio button of the tool you want to apply to the term. 3. Click the Perform Search button. Ovid makes tools available when the database producer provides them. Tools are not available in many of the smaller bibliographic databases. In Current Contents and the EBMR databases, tools differ from those described here. For a listing of database-specific tools, refer to the database field guide. VOCABULARY MAPPING Ovid’s mapping process utilizes statistical analysis to match a search term with the controlled vocabulary of a database. Mapping is a keyword command line tool enabled by default in databases that have a controlled vocabulary (a set of pre-determined terms describing concepts within the database). A controlled vocabulary indexes variants under industry-established terminology. By mapping your search terms to a database’s controlled vocabulary, Ovid eliminates a lot of guess work from the development of search strategies. In mapping-enabled databases, a Map Term to Subject Heading check box displays above the keyword command line. Ovid does not apply mapping when you use command line syntax. Mapping functionality is not available in the Books@Ovid database, nor is it available in multifile sessions. When you enter a search term that maps to subject headings (the indexed terms of a controlled vocabulary), Ovid opens the Mapping Display and lists the best-matching subject headings associated with your term. For example, search the term green tea polyphenols in CINAHL, and Ovid maps to all subject headings associated with green tea polyphenols and opens the Mapping Display that lists them. Copyright 2007 WKMR/Ovid 61 All Rights Reserved
  63. 63. Mapping Display for green tea polyphenols In this example, Ovid has mapped our search terms to several subject headings. Click Information icons to view scope note information about the subject headings, including: definition, date of entry into the controlled vocabulary of the database, and used-for terms (a history of prior indexing of the term). Each subject heading is hyperlinked to a database vocabulary tool. Click the subject heading and the tool display opens, highlighting the subject heading within a hierarchical display of the database’s controlled vocabulary. Viewing the vocabulary structure of a database can help you decide if you want to explode (broaden) or focus (refine) your results. On the Mapping Display, subject headings are hyperlinked to a structured vocabulary tool such as a Tree, Thesaurus, or Permuted Index. Click the subject heading link and Ovid opens the structured vocabulary display, highlighting the subject heading within context of the tool. Viewing a subject heading within the vocabulary tool can help you decide if you want to Explode (for broader results) or Focus (for topic-specific results) the term for best results. To gain results quickly from the Mapping Display, follow these steps. 1. Select the checkboxes of subject heading terms to include in your search. 2. Select the Include All Subheadings check box. 3. Choose a Boolean operator from the pull-down menu. Copyright 2007 WKMR/Ovid 62 All Rights Reserved
  64. 64. Retrieves results that contain at least of the subject headings selected. OR Retrieves only those results that contain all the subject headings selected. AND 4. Click the Continue button. Ovid posts results to the search history back on the Main Search Page. If your initial search term does not map to a subject heading of interest to you, select the Search as Keyword check box from the Mapping Display and click the Continue button. Ovid runs a standard keyword search and posts results to your search history back on the Main Search Page. To disable Mapping, un-check the Map Term to Subject Heading box located above the Search button on the Main Search Page. Ovid then performs keyword searches through field defaults of the database(s). Refer to the database field guide for information about the availability of Mapping and database default fields. You can map a known subject heading directly from the Main Search Page’s keyword command line by typing <subject heading term>/, as in the command green tea/. Explode a Term from the Mapping Display Exploding a subject heading from the Mapping Display lets you retrieve results that contain the subject heading in combination with all of its narrower, more specific subheadings. Subheadings provide a broader scope of interpretation for the subject heading. Copyright 2007 WKMR/Ovid 63 All Rights Reserved
  65. 65. Mapping Display for green tea In this example, we want to explode the mapped subject heading green tea from the Mapping Display. To do so, follow these steps. 1. Select the check box of the subject heading green tea. 2. Select the subject heading’s Explode check box. 3. Select the Include All Subheadings box. 4. Click the Continue button. Ovid displays your results in the search history of the Main Search Page. Search History Display In the statement displayed in your search history, exp indicates that the term has been exploded. Copyright 2007 WKMR/Ovid 64 All Rights Reserved
  66. 66. In databases with a controlled vocabulary, use the exp command to explode a known subject heading directly from the keyword command line. For example, the command ..exp green tea retrieves records that contain the term Green Tea and all of its subheadings. Exploded results represent the number of records that contain the subject heading term, whether it is the main topic of the article or if it appears in combination with any of its subheadings. Therefore, you gain the most comprehensive results when you explode a subject heading. If you do not want all subheadings to be included within exploded results, you can select only those that imply the meaning of the subject heading that you want. To gain such selective results from exploding a subject heading, follow the same steps from the Mapping Display. 1. Select the check box of the subject heading term you want to explode, in this example: green tea. 2. Select the term's Explode check box. 3. Unselect the Include All Subheadings check box. 4. Click the Continue button. Ovid opens the Subheadings Display for that term. Subheading Selections for green tea 5. From the Subheading Display, select subheadings associated with the meaning of the subject heading you want in your results. 6. Choose a Boolean operator from the pull-down menu. Retrieves results that contain any one of the subject headings selected. OR Retrieves results that contain all subject headings selected. AND For this example, we have selected the subheadings Analysis and Therapeutic use. 7. Click the Continue button. Ovid posts results in the search history back on the Main Search Page. Copyright 2007 WKMR/Ovid 65 All Rights Reserved
  67. 67. Results from Exploding Green Tea with Two Subheadings Notice that fewer results display back in the search history of the Main Search Page from having refined the subject heading Green Tea to only that subheading (aspects of the subject heading) of interest to you. Database publishers index records using the most specific terms of their industry. To ensure that your search gains comprehensive results, explode subject headings to include all related subheadings. Use the command sh <term> to open the Subheading Display for a known subject heading. For example, the command sh green tea displays the list of subheadings for the term green tea. Focus a Term from the Mapping Display Page When you focus a subject heading term from the Mapping Display, Ovid retrieves results in which your subject heading is considered the major topic. Copyright 2007 WKMR/Ovid 66 All Rights Reserved
  68. 68. Selecting to Focus from Mapping Display From the Mapping Display, we want to focus the subject heading green tea. To do so, follow these steps. 1. Select the check box of the subject heading green tea. 2. Select the Focus check box of the subject heading. 3. Select the Include All Subheadings box. 4. Click the Continue button. Ovid displays results in the search history on the Main Search Page. In the statement displayed in your search history, the * symbol that precedes the search Copyright 2007 WKMR/Ovid 67 All Rights Reserved
  69. 69. statement indicates that the term has been focused. In databases with a controlled vocabulary, use the *<subject heading> command to focus a known subject heading directly from the keyword command line. For example, the command *green tea refines results to only those for which the subject heading term green tea is the main topic. These results represent the number of records for which the subject heading is the major topic. Note the difference between the exploded and focused results gathered so far. If you do not want to include all of the subheadings within your focused results, you can select only those that better refine the meaning of the subject heading toward results that you want. To gain such selective results from focusing a subject heading, follow the same steps from the Mapping Display. 1. Select the check box of the subject heading green tea. 2. Select the subject heading's Focus check box. 3. Unselect the Include All Subheadings box. 4. Click the Continue button. Ovid opens the Subheadings Display for that term. Subheading Display for green tea 5. From the Subheading Display, select subheadings associated with the meaning of the subject heading you want in your results. 6. Choose a Boolean operator from the pull-down menu. Retrieves results that contain at least one of the subheadings selected. OR Retrieves results that contain all of the subheadings selected. AND For this example, we have selected the subheadings Analysis and Therapeutic Use and are combining them with the OR operator. 7. Click the Continue button. Ovid posts results in the search history on the Main Search Page. Copyright 2007 WKMR/Ovid 68 All Rights Reserved
  70. 70. Notice that Ovid retrieved fewer records as a result of refining the subject heading topic search to only those subheadings (aspects of the subject heading) of interest to you. Use Ovid’s Focus function when you want to retrieve the most specific information for your search. Vocabulary tools like the database Tree, Thesaurus, Permuted Index, and Classification Codes allow you to utilize Ovid’s Explode and Focus functionalities. Use the command sh <term> to open the Subheading Display for a known subject heading. For example, the command sh green tea displays the list of subheadings for the term green tea. If your search term does not map to a subject heading of interest to you, select the Search as Keyword check box and click the Continue button. Ovid runs a keyword search for your term in the default fields of the database. TREE TOOL Ovid’s Tree tool is a graphical representation of the database’s hierarchical vocabulary structure. It provides a visual means of browsing the database’s indexed vocabulary for broader and narrower terms. To access a tree tool, click the Search Tools icon on the Main Search Page. Search Tools Icon on the Search Box Ovid opens the Select a Tool to View Page. Copyright 2007 WKMR/Ovid 69 All Rights Reserved
  71. 71. From this page, follow these steps to view a subject heading with the tree tool. 1. Enter a known subject heading (such as asthma) into the text entry box. If the term entered is not a subject heading of the database, Ovid maps the term to a subject heading for you. 2. Select the Tree Radio button. 3. Click the Perform Search button. Ovid opens a Tree display for the subject heading term. Copyright 2007 WKMR/Ovid 70 All Rights Reserved
  72. 72. Tree Display for the Subject Heading asthma Use the keyword command tree <subject heading> to open a Tree Display for a known subject heading. For example, the command tree asthma opens the Tree Display at the point of the subject heading asthma. In the Tree Display, Ovid arranges terms in a hierarchical system of branches that depicts your term’s relationship with broader (more general) and narrower (more specific) terms. For convenience, Ovid highlights your term within the display. Numbers in the Hits column indicate the number of results to which the term has been indexed. You can retrieve these results by selecting the check box of the term and clicking the Continue button. The Tree Display lists your subject heading in the first conceptual context to which it applies within the full vocabulary of the database. For example, the subject heading asthma is listed as a narrow term for the broader subject headings: bronchial diseases, respiratory tract diseases, bacterial and fungal diseases, and finally diseases. As well, narrower terms display below your subject heading term. The Tree Display has several active elements to further your search. Copyright 2007 WKMR/Ovid 71 All Rights Reserved
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