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Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
Digital library and metadata
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Digital library and metadata

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  • 1. Digital Library And Meta data Presented by Shri Ram Pandey NCSI, IISc Bangalore-560012
  • 2. Contents: <ul><li>Digital Library </li></ul><ul><li>Metadata </li></ul><ul><li>Semantic DL </li></ul><ul><li>Conclusion </li></ul><ul><li>References </li></ul>
  • 3. What is DL? <ul><li>&quot; A digital library is an organized and focused collection of digital objects , including text, images, video and audio, along with methods for access and retrieval , and for selection, creation, organization, maintenance and sharing of the collection . &quot; </li></ul>
  • 4. Digital Library With digital library individual can: <ul><li>Gain access to the holding of librarians worldwide through automated catalogue </li></ul><ul><li>Local both physical and digitized version of scholarly article and books </li></ul><ul><li>Optimize searches, simultaneous search on internet commercial databases, and library collection </li></ul><ul><li>Save search results and conduct additional processing to narrow or qualify results. </li></ul>
  • 5. Digital Library <ul><li>Database and archives (storage) </li></ul><ul><li>Digital bibliographic description (Metadata) </li></ul><ul><li>Full Text </li></ul>
  • 6. Key Component of a Digital Library <ul><li>Initial conversion of content from physical to digital form. </li></ul><ul><li>Client services for the browser , including repository queering and workflow </li></ul><ul><li>Content delivery via file transfer and streaming media </li></ul><ul><li>Patron access through a browser or dedicated client </li></ul><ul><li>A private or public network. </li></ul>
  • 7. Digital Library services <ul><li>􀂾 Catalogue Databases, </li></ul><ul><li>􀂾 Current Awareness Bulletins, </li></ul><ul><li>􀂾 Externally Purchased Databases, </li></ul><ul><li>􀂾 CD-ROM Databases, </li></ul><ul><li>􀂾 Remote Information Services, </li></ul><ul><li>􀂾 Internet Information Sources & Cataloguing, </li></ul><ul><li>􀂾 E-mail </li></ul>
  • 8. Digital Library services <ul><li>􀂾 Bulletin Board Service, </li></ul><ul><li>􀂾 Audio and Video Communication, </li></ul><ul><li>􀂾 Electronic Table of Contents, </li></ul><ul><li>􀂾 Electronic Document Delivery Service, </li></ul><ul><li>􀂾 Electronic Theses and Dissertations, </li></ul><ul><li>􀂾 Reference Service, </li></ul><ul><li>􀂾 Electronic Publishing, </li></ul><ul><li>􀂾 Discussion groups and forums </li></ul><ul><li>􀂾 Tools for loading, storing, searching, and displaying digital objects </li></ul>
  • 9. METADATA (Data about Data) <ul><li>Key of locating , using and processing digital content </li></ul><ul><li>Structured data about digital object and collection </li></ul><ul><li>Types : </li></ul><ul><li>1.Descriptive Metadata </li></ul><ul><li>2.Stuctered Metadata </li></ul><ul><li>3.Administrative Metadata </li></ul>
  • 10. 1.Descriptive Metadata This Metadata provides information that : <ul><li>Allows discovery of collection or objects through the use of search tool </li></ul><ul><li>Provides sufficient context for understanding what has been found . </li></ul><ul><li>Metadata for individual objects varies by the type of data. </li></ul><ul><li>Well known DM is : MARC, Dublin Core </li></ul>
  • 11. Structure Metadata <ul><li>This describes the associations within or among related individual information objects. </li></ul><ul><li>eg. A book which consists of pages and chapters </li></ul><ul><li>It explain how individual page images make up individual chapters , and how chapters make up the book. </li></ul>
  • 12. Administrative Metadata <ul><li>Facilitates metadata facilities access management and preservation of digital resources. </li></ul><ul><li>It can describe attributes such as image revolution file size or audio sampling rate </li></ul><ul><li>Provide a record of how and when an object was created as well as archival and right management information </li></ul><ul><li>Standard for interoperability of digital collection is : METS (Metadata Encoding and transmission standards) </li></ul>
  • 13. Semantic DL : Tomorrow of interconnected , social network <ul><li>Semantic Technology </li></ul><ul><li>Semantic Technology is the software technology that allows the meaning of and associations between information to be known and processed at execution time. </li></ul><ul><li>A semantic technology application is based on a knowledge model defined formally as an ontology that provides executable knowledge during run time . </li></ul><ul><li>Ontology provides a framework to represent any domain knowledge as ‘explicit, formal specification of shared conceptualization ’. </li></ul>
  • 14. Semantic DL Tomorrow of interconnected , social network <ul><li>Search and browsing based on semantic concept </li></ul><ul><li>Users enhanced digital content using blogs, wikis etc </li></ul><ul><li>RDF provides bases for interconnection of digital library. </li></ul><ul><li>Support for different kind of Metadata eg Dublin Core, MARC -21 </li></ul>
  • 15. Semantic DL <ul><li>Supporting user and communities: </li></ul><ul><li>Users have control over their profile info </li></ul><ul><li>Community : aware profiles integrated with bibliographic information </li></ul><ul><li>Support for community –generated knowledge </li></ul>
  • 16. Conclusion <ul><li>Digital libraries are the next step in the convergence revolution . </li></ul><ul><li>Digital libraries are innovations, the implementation of which is nascent in the developing countries. </li></ul><ul><li>Digital libraries hold the promise of becoming key technologies for knowledge creation and management in the future. </li></ul>
  • 17. References <ul><li>https://drtc.isibang.ac.in/bitstream/1849/392/1/p83_thaddeus_vellore.pdf </li></ul><ul><li>www.en.wikipedia.org/wiki/Digital_library </li></ul><ul><li>www.nithinkamath.info/archives/2005/12/the-egranary-digital-library/ </li></ul><ul><li>www.dlib.org/dlib/may07/lally/05lally.html </li></ul>
  • 18. Thanks ?

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