JeromeDL - the Semantic Digital Library
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JeromeDL is a digital library built on semantic web technologies that aims to integrate and interconnect information from different sources. It allows users to semantically search and browse content, and also contribute annotations and social metadata. JeromeDL supports various bibliographic metadata formats and delivers semantic services like semantic search, collaborative filtering, and communication between digital library instances. Evaluations found JeromeDL can complete some tasks up to 50% faster than other services by automating processes.
![J eromeDL answer s various expectations as the Digital Library on Social Semantic Information Spaces http://www.jeromedl.org/ http://wiki.jeromedl.org/ Sebastian Ryszard Kruk, Stefan Decker DERI, NUI Galway, Ireland [email_address]](https://image.slidesharecdn.com/jeromedl-the-semantic-digital-library-23802/85/JeromeDL-the-Semantic-Digital-Library-31-320.jpg)
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JeromeDL - the Semantic Digital Library
- 1. JeromeDL the Semantic Digital Library Sebastian R. Kruk, Stefan Decker
- 2. Outline Motivation From paper books to social media Semantic services in JeromeDL Social services in JeromeDL Metadata in use in JeromeDL Semantic DL in eLearning and Museums Conclusions
- 3. Social Semantic Information Spaces
- 4. Motivation (1) How to integrate and search information from different sources?
- 5. Motivation (2) How to share and interconnect knowledge in a digital library?
- 6. The old days of paper books Library: Archive (storage space) Bibliographic cards (metadata) Librarian (interface) Pros: Someone to talk to, to explain, to help in searching Library as a meeting place Cons: Based on physical location Libraries are not connected – we have to visit every place
- 7. Yesterday ’s world of digital content Digital library Database and archive (storage) Digital bibliographic descriptions (metadata) Full-text search (interface) Pros: Content accessible online Federations of libraries – visit less places Cons: Lonely user No one to talk to, we need to find the right keywords, what if we do not know them (“man without an ear” paintings example) Still many problems with interconnecting (different) libraries
- 8. To morrow of interconnected , social media Semantic Digital Libraries Semantic bibliographic description (interconnected metadata) A nnotations provided by users ( social metadata) Collaborative search and browsing (interface) Features Search and browsing based on semantics empowers users Users contribute to the classification process Users can understand community driven annotations Users enhance digital content using blogs, wikis on the side RDF provides bases for interconnection of digital libraries
- 9. JeromeDL - Introduction Joint effort of DERI , National University of Ireland, Galway and Gdansk University of Technology (GUT) Distributed under BSD Open Source license Digital library build on semantic web technologies to answer requirements from: librarians, scientists and communities .
- 10. JeromeDL - Properties Support for different kinds of bibliographic medatata, like: DublinCore , BibTeX and MARC21 at the same time. Making use of existing rich sources of bibliographic descriptions (like MARC21) created by human. Supporting users and communities: user s ha ve control over their profile information ; community-aware profiles are integrated with bibliographic descriptions support for community generated knowledge Delivering communication between instances: P2P mode for searching and user authentication Hierarchical mode for browsing
- 11. Metadata and Services in JeromeDL
- 12. Semantic Metadata and Services
- 13. Semantic Metadata and Services MarcOnt Bibliographic Ontology MarcOnt Portal and feedback agent Mediation services: ontologizing metadata and interconnecting with other libraries Search and Browsing RDF Query and Natural Language Templates MultiBeeBrowse Communication with heterogeneous networks of digital libraries
- 14. MarcOnt Initiative – Overview Motivation: Provide set of tools for collaborative ontology development MarcOnt Initiative goals: Create a framework for collaborative ontology improvement P rovide domain experts with tools to share their knowledge Offer tools for data mediation between different data formats
- 15. MarcOnt Portal and MarcOnt Ontology MarcOnt Ontology: Central point of MarcOnt Initiative Translation and mediation format Continuos collaborative ontology improvement Knowledge from the domain experts MarcOnt Portal (source of knowledge): Suggestions Annotations Versioning Ontology editor
- 17. Networks of Digital Libraries ELP (Extensible Library Protocol) implementation communication within JeromeDL network adapters for communication with other networks D-FOAF integration (distributed user profile management) single sign on and single registration within D-FOAF network HyperCuP integration (scalable P2P network) Independent ELP network entry point 0 0 1 1 0 0 1 1 0 2 2 2 2
- 18. Browsing the data graph JeromeDL exploits interconnected data
- 19. Browsing the data graph … to allow browsing
- 20. Semantic Metadata and Services
- 21. S ocial S emantic C ollaborative F iltering Goal: t o enhance individual bookmarks with shared knowledge within a community Users annotate catalogues of bookmarks with semantic information taken from DM oz or WordNet vocabularies Catalogs can include ( transclusion ) friend's catalogues Access to catalogues can be restricted with social networking-based polices
- 22. Social Semantic Collaborative Filtering Community-oriented, semantically-rich taxonomies Information about a user's interest Flows of expertise from the domain expert Recommendations based on users previous actions Support for metadata of community portals Integration with search and browsing in JeromeDL to support collaborative search and browsing
- 23. Social Semantic Collaborative Filtering foaf:knows xfoaf:include xfoaf:bookmark
- 24. Sharing Knowledge with SSCF
- 25. Delivering Semantic Content Providing semantic annotations during uploading process: open module for handling any taxonomies keywords based on WordNet and free tagging defining structure of resources in the JeromeDL ontology Lifting legacy metadata to MarcOnt ontology Community maintained annotations social semantic collaborative filtering semantic descriptions based on the FOAF metadata
- 27. Semantic Information In Use Searching: Keyword-based search with semantic query expansion Semantic search: Direct RDF quering Natural language templates Browsing the data graph Sharing: Social Semantic Collaborative Filtering Semantically Interlinked Online Communities Heterogeneous communication: Bibster , OpenSearch/ A9 , OAI -PMH
- 28. Comparison between process based on JeromeDL and a set of other services Some tasks take shorter to execute with JeromeDL Some tasks are automated within JeromeDL Roughly 50% less time spend w ith JeromeDL Evaluation of e-Learning Solution
- 29. Museum Scenario Museums have physical objects Should bind digital annotations with physical objects Real-virtual tours Start with real, guided tour Ubiquitous browse through context information Locate other exhibitions in the vicinity Share your knowledge and experience with others, leave bread-crumbs for others Get the most of the exhibition during your visit
- 30. Conclusions New generation of Internet services can bring digital libraries: Closer to each other (interoperability) Closer to the users (online communities) Social and semantic services delivered in digital libraries can enhance user experience in: E-Learning Real world (!) museums ... and other online and real services JeromeDL is the first digital library that aims to implement these services Growing number of JeromeDL instances world-wide: http://wiki.jeromedl.org/Instances
- 31. J eromeDL answer s various expectations as the Digital Library on Social Semantic Information Spaces http://www.jeromedl.org/ http://wiki.jeromedl.org/ Sebastian Ryszard Kruk, Stefan Decker DERI, NUI Galway, Ireland [email_address]