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Presentation (.ppt) - Start - Örebro universitet Presentation Transcript

  • 1. Extended features in webvoyage - forwarded searches and RSS feeds EndUser 2006 Session: 53 Track: WebVoyage/Public Services Level: Mixed Daniel Forsman, GSLG / Kalmar consortia Orebro University, Sweden
  • 2.
    • Background
    • Web / Library 2.0
    • RSS – New books
    • Time out & Re-init search
    • Iframes
    • Forwarded Searches
    • Ideas & examples
  • 3. Orebro University 1300 staff 14428 students 2002/03 9459 full time University Library 50 Staff 2 Systems librarians 3 System technicans 250.000 Items 220.000 Bibs Windows 2K Terminal - Server Linux clients
  • 4. GSLG Kalmar Voyager Consortia Kalmar University Orebro University The Stockholm Institute of Education University College of Boras Vaxjo University 1997 1 mutual Systems librarian 1 Database server 2 Application servers Stockholm University National Library
  • 5. Systems librarian - Problem solving - Application handling - Development - Teaching 5 Years at Orebro No previous programming/systems background Simple librarian with a interest If I can do this, so can you!
  • 6. Web / Library 2.0 Anchor the presentation in a development context More interesting than the examples A trend of web based applications and data exchange Pushing data in and out of our systems uPortal, federated searches, webCT, e-content management systems …
  • 7. Web 2.0 The web as platform – Webservices – Trust the users Web 1.0  Web 2.0 DoubleClick Google AdSense Ofoto Flickr Akamai BitTorrent mp3.com Napster Britannica Online Wikipedia personal websites blogg Ingevite upcoming.org and EVDB domain name speculation search engine optimization page views cost per click screen scraping web services Publishing participation content management systems wikis directories (taxonomy) tagging ("folksonomy") Stickiness syndication What Is Web 2.0 : Design Patterns and Business Models for the Next Generation of Software By Tim O´Reilly
  • 8. ” SQL is the new HTML” Who owns the data ” Internet operating system” Users are co-developers
  • 9. Library 2.0 Library 2.0 is a model for library service that reflects a transition within the library world in the way that services are delivered to library users. This redirection will be especially evident in electronic offerings such as OPAC configuration, online library services, and an increased flow of information from the user back to the library. With Library 2.0 library services are constantly updated and reevaluated to best serve library users. Library 2.0 also attempts to harness the library user in the design and implementation of library services by encouraging feedback and participation. The concept of Library 2.0 borrows from that of Web 2.0, and follows some of the same philosophies underpinning that concept. Proponents of this concept expect that ultimately the Library 2.0 model for service will replace outdated, one-directional service offerings that have characterized libraries for centuries. Wikipedia – Library 2.0
  • 10. RSS RSS is defined as Really Simple Syndication or Rich Site Summary. RSS files are formed as XML files and are designed to provide content summaries of news, blogs, forums or website content. The idea is for a feed to contain content that will be updated on a regular basis.
  • 11. Sample of RSS 2.0 structure <?xml version=&quot;1.0&quot;?> <rss version=&quot;2.0&quot;> <channel> <title> </title> <link><link> <description></description> <item> <title></title> <link></link> <description> </description> </item> </channel> </rss>
  • 12. New Books – RSS Feed New books list based on line item status – received complete A PHP based search page for new books. Lists news according to fund structure. Added RSS feed for each institution. Updated daily. In Swedish … http://bibl4.oru.se/voyager/news/nytt.html Google Feedreader https://www.google.com/reader/
  • 13. result.php Brings back results for Web searches – New books CRONTAB Runs daily ORACLE Supplies data for xml files Web searches for new books User RSS reader Hum.xml Sample RSS 2.0 file Createrss.php crontab, generates .xml files Nytt.html Start page for Web searches New books Browser
  • 14. Review of the code http://bibl4.oru.se/voyager/voyager_php/enduser2006.html Specific for our way of defining New books. Need to modify for your definition!
  • 15. Time out & Re-init search When webvoyage time outs Present a hyperlink with the last performed search. Lets the user know that the session timed out Security – Privacy Same idea as with the forwarded searches
  • 16. Timeout.js forward the URL to PHP create IFRAME Research.php parse the url and present link back to webvoyage webvoyage Webconerr.htm body-tag reference to timeout.js. User Browser
  • 17. //Retreive and store webpage title. var TITLE = window.document.title; //Retreive and store webpage URL var URLstr = document.URL; //Define window titles to look for var titleToLookForList = 'Time-out!'; //if we have window title, create variable with url, replace & with ||| if (TITLE==titleToLookForList) { var IFRAMEstr='<iframe src=http://oru.sub.su.se/research.php?URL='+URLstr.replace(/ &/gi, &quot;|||&quot;)+' frameborder=0 scrolling=no width=780 height=280></iframe>'; //Write variable containing iframe and URL document.write(IFRAMEstr) }
  • 18. PHP-Part http://bibl4.oru.se/voyager/voyager_php/ Receive URL Create link back to webvoyage in iframe
  • 19. IFRAME is a HTML 4.0 Element The IFRAME element defines an inline frame for the inclusion of external objects An inline frame is a ”floating frame” that embeds a document into an HTML document . It is displayed inside a subwindow of the browser’s window This does not mean full inclusion; the two documents are independent, and both of them are treated as complete documents, instead of treating one as part of the other. Browser support Internet Explorer version 3, Mozilla and Netscape 6 supports iframe . iCab supports it, with a user option to disable the support. WebTV Plus has iframe support Lynx 2.8.2 handles iframe in a manner similar to its treatment of normal frames Opera 4.0 supports iframe , with the option to turn the support off
  • 20. <IFRAME>...</IFRAME> Attribute Specifications SRC= URI (URI of frame content) NAME= CDATA (name of frame) LONGDESC= URI (link to long description) WIDTH= Length (frame width) HEIGHT= Length (frame height) ALIGN= [ top | middle | bottom | left | right ] FRAMEBORDER= [ 1 | 0 ] (frame border) MARGINWIDTH= Pixels (margin width) MARGINHEIGHT= Pixels (margin height) SCROLLING= [ yes | no | auto  ] (ability to scroll)
  • 21. <IFRAME SRC=&quot;recipe.html&quot; TITLE=&quot;The Famous Recipe&quot;> <!-- Alternate content for non-supporting browsers --> <H2>The Famous Recipe</H2> <H3>Ingredients</H3> ... </IFRAME>
  • 22. Forwarded Search Forward the search terms entered Into webvoyage to other services / databases URL parsing : all searchwords are in the webvoyage URL http://oru.sub.su.se/cgi-bin/Pwebrecon.cgi?SAB1=american+democracy&BOOL1=all+of+these&FLD1=Fritext+%2F+Keyword+Anywhere+%28GKEY%29&GRP1=AND+with+next+set&SAB2=&BOOL2=all+of+these&FLD2=Fritext+%2F+Keyword+Anywhere+%28GKEY%29&PID=17050&SEQ=20060331095848&CNT=25&HIST=1 Search_arg for Simple search
  • 23. Footer.html / nohitsmsg.htm Reference to Moresearch.js Webvoyage SAB or Search_arg External source Moresearch.js Retrieves the URL and passes it on to a .php script in iframe Moresearch.php Generates the links to external source IFRAME Displays links to external source, generated by PHP
  • 24. Code review http://bibl4.oru.se/voyager/voyager_php/enduser2006.html ” Federated searches” in your OPAC Same method can be used to perform federated searches. Instead of just linking to a service you can fopen() it and screen scrape for result. Then display a link with the search result displayed. Works fine but you could run into Poxy problems
  • 25. Voyager + External system = True? ILL opac integration Collects data from external ILL system (SAGA). Uses a iframe and Voyager External authentications system PERL Created by Urban Andersson @ University College of Boras uPortal xml schema Created to provide uPortal with patron data from Voyager PERL and XML Created by Peter Kallden @ Orebro University No public access
  • 26. Other ideas Import extra information like covers, toc:s etc User tagging – stored in external database Use AJAX
  • 27.
    • References
    • PHP & Voyager: http://www.ub.oru.se/voyager/voyager_php/
    • PHP and MySQL Web Development : Wellington & Thomson
    • Libraryola - My Library 2.0 Reading List: http://www.zammarelli.com/chris/libraryola/2006/03/my-library-20-reading-list.html
    • What Is Web 2.0 - Design Patterns and Business Models for the Next Generation of Software by Tim O’Reilly : http://www.oreillynet.com/pub/a/oreilly/tim/news/2005/09/30/what-is-web-20.html
    • Using inline frames: http://www.cs.tut.fi/~jkorpela/html/iframe.html
    • IFRAME specification : http://www.htmlhelp.com/reference/html40/special/iframe.html
    • RSS specifications: http://www.rss-specifications.com/