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RESOURCE DISCOVERY
TOOLS
1
2
Creator:
Mubassira Mahmuda Supty
M.A , Department of Information Science and Library Management
University of Dhaka.
CONTENTS
Meaning
Types
Advantage
Various tools
3
• The process of exploring collections of books, articles, or information on the Web to
investigate a topic generally without necessarily knowing at the initial stage, what the seeker
will find.
• Resource discovery activity involve searching for the appropriate service, node, or data type
that match the requirements of applications such as file sharing, Grid applications, Cloud
applications etc.
• The resource discovery methods can be engineered based on various network models
including centralized, decentralized, and hierarchical with varying degree of scalability, fault-
tolerance, and network performance
4
TYPES:
Discovery tools can be divided into 2 parts:
• Open source
• Commercial
5
ADVANTAGES:
• Discovery tools provides access to a large amount of materials of many different
types.
• Discovery tools are fast since searching is in local or centralized index. (even
though these are large.)
• They focus primarily on electronic full text.
• They are easy to use.
• Quality of results.
• Variety of resources available.
• Results can be save.
• Discovery resolution and access.
6
Various Resource Discovery tools
7
8
• Google Scholar is a freely accessible web search engine that indexes the full text or metadata
of scholarly literature across an array of publishing formats and disciplines. Released in beta in
November 2004, the Google Scholar index includes most peer-reviewed online academic journals and
books, theses and dissertations, preprints, abstracts, technical reports, conference papers and other
scholarly literature, including court opinions and patents.
• Google Scholar arose out of a discussion between Alex Verstak and Anurag Acharya, both of whom were
then working on building Google's main web index. Their goal was to "make the world's problem solvers
10% more efficient“
• This goal is reflected in the Google Scholar's advertising slogan – "Stand on the shoulders of giants" –
taken from a quote by holy Bernard of Chartres.
9
FEATURES :
• Google Scholar allows users to search for digital or physical copies of articles, whether
online or in libraries.
• It indexes "full-text journal articles, technical reports, preprints, theses, books, and
other documents, including selected Web pages that are deemed to be 'scholarly.
• Search all scholarly literature from one convenient place
• Explore related works, citations, authors, and publications
• Locate the complete document through your library or on the web
• Keep up with recent developments in any area of research
• Check who's citing your publications, create a public author profile
10
RANKING PROCESS:
Google Scholar aims to rank documents the way
researchers do, weighing the full text of each
document, where it was published, who it was written
by, as well as how often and how recently it has been
cited in other scholarly literature.
11
12
EBSCO Discovery Service brings together the most comprehensive
collection of content, while providing users with the ease and
simplicity that comes with delivering the top results on the first
page. To keep pace with a continuously growing collection of
content from publisher partnerships, our customers' catalogs and
institutional repositories, as well as the rich metadata that comes
with top subject indexes, EDS employs a multi-faceted relevance
ranking methodology that is the foundation of our premier search
and discovery platform.
13
FUNCTIONS:
Advocating for the library community:
EBSCO is passionate about libraries and the work they do. Sponsorships, awards and donations
are just some of the ways which shows the commitment for helping libraries succeed.
• Scholarships for librarians to attend national conferences
• Awards for library innovation and outstanding books
• Grants for libraries to adopt solar energy
• Free databases and open access initiatives
• Contributions to open source projects that give libraries more choice
14
FUNCTIONS (CONT.)
Maximizing Accuracy with Field Ranking:
Every record in EBSCO Discovery Service contains numerous fields that can assist the
user in locating the information they seek. How a field is used by a search engine
determines the relevance ranking, and thus how high on the search results, any given
record appears for a search. With exact matches favored over partial matches, the
most influential fields in EDS are:
• Matches on subject headings
• Term appearance in the title
• Author-supplied keywords
• Keywords within abstracts
• Match on keywords in the full text
15
FUNCTIONS (CONT.)
Superior Value Ranking:
Recognizing that the value of a record is not derived only from terms from the user, EBSCO
Discovery Service takes into account certain attributes when determining the relevance. Specific
attributes that are considered include:
• Currency in publication means that more recent articles will rank higher
• Type of publication in relation to the search terms
• Peer-Reviewed status assists the academic researcher in quickly locating key information in their field
• Length of article ensures that when other factors are equal, a shorter article is considered less valuable
16
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• ProQuest is committed to supporting the important work happening in the world’s
research and learning communities. The company curates content that matters to the
advancement of knowledge, assembling an archive of billions of vetted, indexed
documents. It simplifies workflows so that people and institutions use time effectively.
And because ProQuest connects information communities, complex networks of
systems and processes work together efficiently. With ProQuest, finding answers and
deriving insights is straightforward and leads to extraordinary outcomes.
• ProQuest and its companies and affiliates – Ex Libris, Alexander Street, Bowker – stand
for better research, better learning, better insights. ProQuest enables people to change
their world.
18
FUNCTIONS:
• In May 2014, ProQuest LLC also operated businesses under the following names:
• Bowker provides bibliographic information management solutions to publishers, libraries and
booksellers, and is the ISBN Agency for the United States.
• Dialog is an online information service with more than 1.4 billion unique records curated for
corporate, business and government researchers, with a focus on pharmaceutical, engineering
and patent research.
• EBL (Ebook Library), an ebook aggregator with a catalog of titles from academic publishers,
serves academic, corporate and research libraries while supporting emerging collection
development models such as patron-driven acquisition.
• ebrary offers access to ebook collections, by subscription or a perpetual archive model, in
subject packages tailored for academic, corporate, government, public and high school libraries.
19
20
SirsiDynix is a United States company which produces software and
associated services for libraries.
Bill Davison is the Chief Executive Officer of SirsiDynix.
SirsiDynix develops technology with the philosophy that the tools you
use today should not hinder you from achieving your goals tomorrow.
SirsiDynix is proud to create these industry-leading tools for more
libraries than any other vendor in the world, for the benefit of libraries
and communities everywhere.
21
FUNCTIONS:
• Developing and delivering robust technology for library staff and users
• Providing dedicated service beyond the software
• Cultivating a community of SirsiDynix librarians to ensure a bright future for libraries
everywhere
• SirsiDynix has looked for opportunities for growth to better meet the needs of our
customers
• A leader in e-learning solutions for academic and school libraries
• Adding a wealth of knowledge to the company through its leading position in cloud-
based special library software.
• Helps libraries do great things, now and in the future.
22
23
Scopus is the largest abstract and citation database of peer-
reviewed literature: journals, books, conference proceedings and
trade publications. Scopus access provides a comprehensive
overview of the world's research output in the fields of science,
technology, health, social sciences and the humanities.
24
Scopus features smart tools to track, analyze and visualize research, and supports
researchers to-
Stay up to date and
ahead of the competition
Ensure proper accreditation
and career development
Review, analyze and share
multidisciplinary research
Submit comprehensive applications,
improving the odds of obtaining critical funding
Inform strategic research decisions
with the highest quality data
25
26
WorldCat is a union catalog that itemizes the collections of 72,000 libraries in 170
countries and territories that participate in the Online Computer Library Center (OCLC)
global cooperative. It is operated by OCLC Online Computer Library Center, Inc.The
subscribing member libraries collectively maintain WorldCat's database, the world's
largest bibliographic database. OCLC makes WorldCat itself available free to libraries, but
the catalog is the foundation for other subscription OCLC services (such as resource
sharing and collection management).
This is available in 13 languages.
In December 2017, WorldCat contained over 400 million bibliographic records in 491
languages, representing over 2.6 billion physical and digital library assets, and the
WorldCat persons dataset (mined from WorldCat) included over 100 million people.
27
FUNCTIONS:
• Provide easy access to your catalog, services and content
• Refine searches with facets
• Search the most popular items in the collective collection
• Quickly generate citations
• Integrate with key Web search sites
• Provide information to guide user selection
28
29
• Ex Libris, a ProQuest company, is a leading global provider of cloud-based solutions for
higher education and research. Offering SaaS solutions for the management and
discovery of the full spectrum of library and scholarly materials, as well as mobile
campus solutions driving student engagement and success. Ex Libris serves thousands of
customers in 90 countries.
• Dedicated to developing the market's most inventive and creative solutions, Ex Libris
leads the way in defining and designing efficient, user-friendly products that serve the
needs of academic research and teaching institutions and academic, research, and
national libraries today, and enabling them to transition into the future.
• Mission is to allow academic institutions to create, manage, and share knowledge.
30
FUNCTIONS
• Serve librarians, researchers, students, and instructors
• Strengthen libraries’ strategic role in academic activity
• Increase student engagement and success through personalized innovative services
• Support research through unified workflows and a wealth of
scholarly content
• Drive decision-making for libraries and research with
meaningful analytics
• Maximize value of library collections and services
31
32
• OAIster is an online combined bibliographic catalogue of open
access material aggregated using OAI-PMH.
• It began at the University of Michigan in 2002 funded by a grant from the Andrew W.
Mellon Foundation and with the purpose of establishing a retrieval service for publicly
available digital library resources provided by the research library community. During its
tenure at the University of Michigan.
• OAIster data is harvested from Open Archives Initiative (OAI)-compliant digital
libraries, institutional repositories, and online journals using the self-service WorldCat
Digital Collection Gateway.
33
34
• HathiTrust is a large-scale collaborative repository of digital content from research
libraries including content digitized via the Google Books project and Internet
Archive digitization initiatives, as well as content digitized locally by libraries.
• HathiTrust was founded in October 2008 by the thirteen universities of the Committee
on Institutional Cooperation and the University of California. The partnership includes
over 60 research libraries across the United States, Canada, and Europe, and is based
on a shared governance structure. Costs are shared by the participating libraries and
library consortia. The repository is administered by Indiana University and
the University of Michigan. The Executive Director of HathiTrust is Mike Furlough.
35
36
• Flickr (pronounced "flicker") is an image hosting service and video hosting service. It
was created by Ludicorp in 2004. It has changed ownership several times and has been
owned by SmugMug since April 2018.
• The Verge reported in March 2013 that Flickr had a total of 87 million registered
members and more than 3.5 million new images uploaded daily. In August 2011, the
site reported that it was hosting more than 6 billion images. Photos and videos can be
accessed from Flickr without the need to register an account, but an account must be
made to upload content to the site. Registering an account also allows users to create a
profile page containing photos and videos that the user has uploaded and also grants
the ability to add another Flickr user as a contact. For mobile users, Flickr has
official mobile apps for iOS, Android, and an optimized mobile site.
37
38
AgEcon Search collects, indexes, and electronically distributes full text copies
of scholarly research in the broadly defined field of agricultural economics
including sub disciplines such as agribusiness, food supply, natural resource
economics, environmental economics, policy issues, agricultural trade, and
economic development. The majority of items in AgEcon Search are working
papers, conference papers, and journal articles, although other types such as
books chapters and government documents are included. AgEcon Search will
serve as the permanent archive for this literature and encourages authors
and organizations to use this electronic library as the storehouse for
additional appropriate scholarly electronic works.
39
Research in Agricultural and Applied Economics collects, indexes, and
electronically distributes full text copies of scholarly research in the
broadly defined field of agricultural and applied economics including sub
disciplines such as agribusiness, food security and supply, energy and
natural resource economics, environmental economics, policy issues,
international trade, and economic development. Content includes
conference presentations, working papers, journal articles, government
documents, and theses and dissertations.
40
41
• The Directory of Open Access Journals (DOAJ) is a website that lists open access
journals and is maintained by Infrastructure Services for Open Access (IS4OA).The
project defines open access journals as scientific and scholarly journals that meet high
quality standards by exercising peer review or editorial quality control and "use a
funding model that does not charge readers or their institutions for
access". The Budapest Open Access Initiative's definition of open access is used to
define required rights given to users, for the journal to be included in the DOAJ, as the
rights to "read, download, copy, distribute, print, search, or link to the full texts of
these articles". The aim of DOAJ is to "increase the visibility and ease of use of open
access scientific and scholarly journals thereby promoting their increased usage and
impact“
42
MATERIALS:
As of 25 February 2018, the database now contains –
• 12,692 Journals
• 9,681 searchable at Article level
• 128 Countries
• 3,764,327 Articles
43
FUNCTIONS:
• Increase the visibility, accessibility, reputation, usage and impact of quality, peer-
reviewed, open access scholarly research journals globally, regardless of discipline,
geography or language
• DOAJ will work with editors, publishers and journal owners to help them understand
the value of best practice publishing and standards and apply those to their own
operations.
• DOAJ is committed to being 100% independent and maintaining all of its services
and metadata as free to use or reuse for everyone.
44
45
arXiv (pronounced "archive"—the X represents the Greek letter chi [χ]) is a repository of
electronic preprints (known as e-prints) approved for posting after moderation, but not full
peer review. Paul Ginsparq is the creator of this.
It consists of scientific papers in the fields of mathematics, physics, astronomy, electrical
engineering, computer science, quantitative biology, statistics, and mathematical finance,
which can be accessed online.
In many fields of mathematics and physics, almost all scientific papers are self-archived on
the arXiv repository. Begun on August 14, 1991, arXiv.org passed the half-million-article
milestone on October 3, 2008, and had hit a million by the end of 2014. By October 2016
the submission rate had grown to more than 10,000 per month.
46
Earth-Prints
47
• Earth-Prints is an open archive created and maintained by Istituto Nazionale
di Geofisica e Vulcanologia. This digital collection allows users to browse,
search and access manuscripts, journal articles, theses, conference
materials, books, book-chapters, web products.
• The goal of our repository is to collect, capture, disseminate and preserve
the results of research in the fields of Atmosphere, Cryosphere,
Hydrosphere and Solid Earth. Earth-prints is young and growing rapidly.
48
BanglaJOL
49
• BanglaJOL is a database of journals published in Bangladesh, covering the full
range of academic disciplines. The objective of BanglaJOL is to give greater
visibility to the participating journals, and to the research they convey.
• BanglaJOL provides information on each participating journal, including aims
and scope, contact details and general information. It also provides Tables of
contents and abstracts (where available) for all articles published within
these journals. Most of the full text articles are also available.
50
CONCLUSION
“Resource discovery” has many meanings, and it is now being
defined as library research software that allows a library user to
search multiple Web-based resources simultaneously and generate
usable search results.
A discovery service is an online library searching tool that provides
an all-in-one interface for finding both local library items and online
subscription and open access resources.
51
52

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Resource discovery tools

  • 2. 2 Creator: Mubassira Mahmuda Supty M.A , Department of Information Science and Library Management University of Dhaka.
  • 4. • The process of exploring collections of books, articles, or information on the Web to investigate a topic generally without necessarily knowing at the initial stage, what the seeker will find. • Resource discovery activity involve searching for the appropriate service, node, or data type that match the requirements of applications such as file sharing, Grid applications, Cloud applications etc. • The resource discovery methods can be engineered based on various network models including centralized, decentralized, and hierarchical with varying degree of scalability, fault- tolerance, and network performance 4
  • 5. TYPES: Discovery tools can be divided into 2 parts: • Open source • Commercial 5
  • 6. ADVANTAGES: • Discovery tools provides access to a large amount of materials of many different types. • Discovery tools are fast since searching is in local or centralized index. (even though these are large.) • They focus primarily on electronic full text. • They are easy to use. • Quality of results. • Variety of resources available. • Results can be save. • Discovery resolution and access. 6
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  • 9. • Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Released in beta in November 2004, the Google Scholar index includes most peer-reviewed online academic journals and books, theses and dissertations, preprints, abstracts, technical reports, conference papers and other scholarly literature, including court opinions and patents. • Google Scholar arose out of a discussion between Alex Verstak and Anurag Acharya, both of whom were then working on building Google's main web index. Their goal was to "make the world's problem solvers 10% more efficient“ • This goal is reflected in the Google Scholar's advertising slogan – "Stand on the shoulders of giants" – taken from a quote by holy Bernard of Chartres. 9
  • 10. FEATURES : • Google Scholar allows users to search for digital or physical copies of articles, whether online or in libraries. • It indexes "full-text journal articles, technical reports, preprints, theses, books, and other documents, including selected Web pages that are deemed to be 'scholarly. • Search all scholarly literature from one convenient place • Explore related works, citations, authors, and publications • Locate the complete document through your library or on the web • Keep up with recent developments in any area of research • Check who's citing your publications, create a public author profile 10
  • 11. RANKING PROCESS: Google Scholar aims to rank documents the way researchers do, weighing the full text of each document, where it was published, who it was written by, as well as how often and how recently it has been cited in other scholarly literature. 11
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  • 13. EBSCO Discovery Service brings together the most comprehensive collection of content, while providing users with the ease and simplicity that comes with delivering the top results on the first page. To keep pace with a continuously growing collection of content from publisher partnerships, our customers' catalogs and institutional repositories, as well as the rich metadata that comes with top subject indexes, EDS employs a multi-faceted relevance ranking methodology that is the foundation of our premier search and discovery platform. 13
  • 14. FUNCTIONS: Advocating for the library community: EBSCO is passionate about libraries and the work they do. Sponsorships, awards and donations are just some of the ways which shows the commitment for helping libraries succeed. • Scholarships for librarians to attend national conferences • Awards for library innovation and outstanding books • Grants for libraries to adopt solar energy • Free databases and open access initiatives • Contributions to open source projects that give libraries more choice 14
  • 15. FUNCTIONS (CONT.) Maximizing Accuracy with Field Ranking: Every record in EBSCO Discovery Service contains numerous fields that can assist the user in locating the information they seek. How a field is used by a search engine determines the relevance ranking, and thus how high on the search results, any given record appears for a search. With exact matches favored over partial matches, the most influential fields in EDS are: • Matches on subject headings • Term appearance in the title • Author-supplied keywords • Keywords within abstracts • Match on keywords in the full text 15
  • 16. FUNCTIONS (CONT.) Superior Value Ranking: Recognizing that the value of a record is not derived only from terms from the user, EBSCO Discovery Service takes into account certain attributes when determining the relevance. Specific attributes that are considered include: • Currency in publication means that more recent articles will rank higher • Type of publication in relation to the search terms • Peer-Reviewed status assists the academic researcher in quickly locating key information in their field • Length of article ensures that when other factors are equal, a shorter article is considered less valuable 16
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  • 18. • ProQuest is committed to supporting the important work happening in the world’s research and learning communities. The company curates content that matters to the advancement of knowledge, assembling an archive of billions of vetted, indexed documents. It simplifies workflows so that people and institutions use time effectively. And because ProQuest connects information communities, complex networks of systems and processes work together efficiently. With ProQuest, finding answers and deriving insights is straightforward and leads to extraordinary outcomes. • ProQuest and its companies and affiliates – Ex Libris, Alexander Street, Bowker – stand for better research, better learning, better insights. ProQuest enables people to change their world. 18
  • 19. FUNCTIONS: • In May 2014, ProQuest LLC also operated businesses under the following names: • Bowker provides bibliographic information management solutions to publishers, libraries and booksellers, and is the ISBN Agency for the United States. • Dialog is an online information service with more than 1.4 billion unique records curated for corporate, business and government researchers, with a focus on pharmaceutical, engineering and patent research. • EBL (Ebook Library), an ebook aggregator with a catalog of titles from academic publishers, serves academic, corporate and research libraries while supporting emerging collection development models such as patron-driven acquisition. • ebrary offers access to ebook collections, by subscription or a perpetual archive model, in subject packages tailored for academic, corporate, government, public and high school libraries. 19
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  • 21. SirsiDynix is a United States company which produces software and associated services for libraries. Bill Davison is the Chief Executive Officer of SirsiDynix. SirsiDynix develops technology with the philosophy that the tools you use today should not hinder you from achieving your goals tomorrow. SirsiDynix is proud to create these industry-leading tools for more libraries than any other vendor in the world, for the benefit of libraries and communities everywhere. 21
  • 22. FUNCTIONS: • Developing and delivering robust technology for library staff and users • Providing dedicated service beyond the software • Cultivating a community of SirsiDynix librarians to ensure a bright future for libraries everywhere • SirsiDynix has looked for opportunities for growth to better meet the needs of our customers • A leader in e-learning solutions for academic and school libraries • Adding a wealth of knowledge to the company through its leading position in cloud- based special library software. • Helps libraries do great things, now and in the future. 22
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  • 24. Scopus is the largest abstract and citation database of peer- reviewed literature: journals, books, conference proceedings and trade publications. Scopus access provides a comprehensive overview of the world's research output in the fields of science, technology, health, social sciences and the humanities. 24
  • 25. Scopus features smart tools to track, analyze and visualize research, and supports researchers to- Stay up to date and ahead of the competition Ensure proper accreditation and career development Review, analyze and share multidisciplinary research Submit comprehensive applications, improving the odds of obtaining critical funding Inform strategic research decisions with the highest quality data 25
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  • 27. WorldCat is a union catalog that itemizes the collections of 72,000 libraries in 170 countries and territories that participate in the Online Computer Library Center (OCLC) global cooperative. It is operated by OCLC Online Computer Library Center, Inc.The subscribing member libraries collectively maintain WorldCat's database, the world's largest bibliographic database. OCLC makes WorldCat itself available free to libraries, but the catalog is the foundation for other subscription OCLC services (such as resource sharing and collection management). This is available in 13 languages. In December 2017, WorldCat contained over 400 million bibliographic records in 491 languages, representing over 2.6 billion physical and digital library assets, and the WorldCat persons dataset (mined from WorldCat) included over 100 million people. 27
  • 28. FUNCTIONS: • Provide easy access to your catalog, services and content • Refine searches with facets • Search the most popular items in the collective collection • Quickly generate citations • Integrate with key Web search sites • Provide information to guide user selection 28
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  • 30. • Ex Libris, a ProQuest company, is a leading global provider of cloud-based solutions for higher education and research. Offering SaaS solutions for the management and discovery of the full spectrum of library and scholarly materials, as well as mobile campus solutions driving student engagement and success. Ex Libris serves thousands of customers in 90 countries. • Dedicated to developing the market's most inventive and creative solutions, Ex Libris leads the way in defining and designing efficient, user-friendly products that serve the needs of academic research and teaching institutions and academic, research, and national libraries today, and enabling them to transition into the future. • Mission is to allow academic institutions to create, manage, and share knowledge. 30
  • 31. FUNCTIONS • Serve librarians, researchers, students, and instructors • Strengthen libraries’ strategic role in academic activity • Increase student engagement and success through personalized innovative services • Support research through unified workflows and a wealth of scholarly content • Drive decision-making for libraries and research with meaningful analytics • Maximize value of library collections and services 31
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  • 33. • OAIster is an online combined bibliographic catalogue of open access material aggregated using OAI-PMH. • It began at the University of Michigan in 2002 funded by a grant from the Andrew W. Mellon Foundation and with the purpose of establishing a retrieval service for publicly available digital library resources provided by the research library community. During its tenure at the University of Michigan. • OAIster data is harvested from Open Archives Initiative (OAI)-compliant digital libraries, institutional repositories, and online journals using the self-service WorldCat Digital Collection Gateway. 33
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  • 35. • HathiTrust is a large-scale collaborative repository of digital content from research libraries including content digitized via the Google Books project and Internet Archive digitization initiatives, as well as content digitized locally by libraries. • HathiTrust was founded in October 2008 by the thirteen universities of the Committee on Institutional Cooperation and the University of California. The partnership includes over 60 research libraries across the United States, Canada, and Europe, and is based on a shared governance structure. Costs are shared by the participating libraries and library consortia. The repository is administered by Indiana University and the University of Michigan. The Executive Director of HathiTrust is Mike Furlough. 35
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  • 37. • Flickr (pronounced "flicker") is an image hosting service and video hosting service. It was created by Ludicorp in 2004. It has changed ownership several times and has been owned by SmugMug since April 2018. • The Verge reported in March 2013 that Flickr had a total of 87 million registered members and more than 3.5 million new images uploaded daily. In August 2011, the site reported that it was hosting more than 6 billion images. Photos and videos can be accessed from Flickr without the need to register an account, but an account must be made to upload content to the site. Registering an account also allows users to create a profile page containing photos and videos that the user has uploaded and also grants the ability to add another Flickr user as a contact. For mobile users, Flickr has official mobile apps for iOS, Android, and an optimized mobile site. 37
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  • 39. AgEcon Search collects, indexes, and electronically distributes full text copies of scholarly research in the broadly defined field of agricultural economics including sub disciplines such as agribusiness, food supply, natural resource economics, environmental economics, policy issues, agricultural trade, and economic development. The majority of items in AgEcon Search are working papers, conference papers, and journal articles, although other types such as books chapters and government documents are included. AgEcon Search will serve as the permanent archive for this literature and encourages authors and organizations to use this electronic library as the storehouse for additional appropriate scholarly electronic works. 39
  • 40. Research in Agricultural and Applied Economics collects, indexes, and electronically distributes full text copies of scholarly research in the broadly defined field of agricultural and applied economics including sub disciplines such as agribusiness, food security and supply, energy and natural resource economics, environmental economics, policy issues, international trade, and economic development. Content includes conference presentations, working papers, journal articles, government documents, and theses and dissertations. 40
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  • 42. • The Directory of Open Access Journals (DOAJ) is a website that lists open access journals and is maintained by Infrastructure Services for Open Access (IS4OA).The project defines open access journals as scientific and scholarly journals that meet high quality standards by exercising peer review or editorial quality control and "use a funding model that does not charge readers or their institutions for access". The Budapest Open Access Initiative's definition of open access is used to define required rights given to users, for the journal to be included in the DOAJ, as the rights to "read, download, copy, distribute, print, search, or link to the full texts of these articles". The aim of DOAJ is to "increase the visibility and ease of use of open access scientific and scholarly journals thereby promoting their increased usage and impact“ 42
  • 43. MATERIALS: As of 25 February 2018, the database now contains – • 12,692 Journals • 9,681 searchable at Article level • 128 Countries • 3,764,327 Articles 43
  • 44. FUNCTIONS: • Increase the visibility, accessibility, reputation, usage and impact of quality, peer- reviewed, open access scholarly research journals globally, regardless of discipline, geography or language • DOAJ will work with editors, publishers and journal owners to help them understand the value of best practice publishing and standards and apply those to their own operations. • DOAJ is committed to being 100% independent and maintaining all of its services and metadata as free to use or reuse for everyone. 44
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  • 46. arXiv (pronounced "archive"—the X represents the Greek letter chi [χ]) is a repository of electronic preprints (known as e-prints) approved for posting after moderation, but not full peer review. Paul Ginsparq is the creator of this. It consists of scientific papers in the fields of mathematics, physics, astronomy, electrical engineering, computer science, quantitative biology, statistics, and mathematical finance, which can be accessed online. In many fields of mathematics and physics, almost all scientific papers are self-archived on the arXiv repository. Begun on August 14, 1991, arXiv.org passed the half-million-article milestone on October 3, 2008, and had hit a million by the end of 2014. By October 2016 the submission rate had grown to more than 10,000 per month. 46
  • 48. • Earth-Prints is an open archive created and maintained by Istituto Nazionale di Geofisica e Vulcanologia. This digital collection allows users to browse, search and access manuscripts, journal articles, theses, conference materials, books, book-chapters, web products. • The goal of our repository is to collect, capture, disseminate and preserve the results of research in the fields of Atmosphere, Cryosphere, Hydrosphere and Solid Earth. Earth-prints is young and growing rapidly. 48
  • 50. • BanglaJOL is a database of journals published in Bangladesh, covering the full range of academic disciplines. The objective of BanglaJOL is to give greater visibility to the participating journals, and to the research they convey. • BanglaJOL provides information on each participating journal, including aims and scope, contact details and general information. It also provides Tables of contents and abstracts (where available) for all articles published within these journals. Most of the full text articles are also available. 50
  • 51. CONCLUSION “Resource discovery” has many meanings, and it is now being defined as library research software that allows a library user to search multiple Web-based resources simultaneously and generate usable search results. A discovery service is an online library searching tool that provides an all-in-one interface for finding both local library items and online subscription and open access resources. 51
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