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Building an editable, versionized LOD service for library data
- 1. Building an editable, versionized LOD service for library data May, 16th 2012 ELAG 2012, Palma de Mallorca Felix Ostrowski & Adrian Pohl
- 2. Agenda lobid.org Fresnel Display Vocabulary for RDF Implementation Vision
- 3. lobid.org
- 4. Why LOD? - Motivation LOD as ideal basis for distributed cooperative cataloging Use of international and cross-domain web standards leads to Increased discoverability Multiple usability of one dataset Maximized interoperability & re-usability Flexible data model Expected ROI: Synergy effects through standardization of technology stack
- 5. lobid.org Experimental LOD service Launched in 2010 Two subservices lobid-organisations lobid-resources Continuously improved
- 7. lobid-organisations Motivation: the need of URIs for libraries RDF representations of more than 40k international organisations Data sources: German ISIL registry & MARC Organization Code database Not (yet) openly licensed
- 9. lobid-resources lobid.resources is the LOD interface for open data from the hbz union catalog Public Domain: licensed under CC0 Currently more than 10 M records Links to other library LOD services (GND, DDC...) and to Dbpedia See also http://thedatahub.org/dataset/lobid-resources
- 11. Problems Data is produced in legacy systems & added via dumps Data isn't up-to-date Data can't be improved in lobid.org and fed back to legacy system
- 12. Vision: Building a service that... is based on Linked Data standards, supports producing/editing RDF, supports re-use of data from the LOD cloud, supports versioning, pushes changes (create, update, delete) in real time.
- 14. Lenses :document :person a fresnel:Lens ; a fresnel:Lens ; fresnel:classLensDomain fresnel:classLensDomain bibo:Document ; foaf:Person ; fresnel:showProperties ( fresnel:showProperties ( dc:title foaf:familyname bibo:isbn foaf:givenname dc:creator ) . ) .
- 15. Sublenses :document a fresnel:Lens ; fresnel:classLensDomain bibo:Document ; fresnel:showProperties ( dc:title bibo:isbn [ a fresnel:propertyDescription ; fresnel:property dc:creator ; fresnel:sublens :person ] ) .
- 16. Formats [] a fresnel:Format ; fresnel:propertyFormatDomain dc:title ; fresnel:label "Title"@en . [] a fresnel:Format ; fresnel:propertyFormatDomain dc:creator ; fresnel:label "Author"@en . [] a fresnel:Format ; fresnel:propertyFormatDomain foaf:familyName ; fresnel:label "Last name"@en . [] a fresnel:Format ;
- 17. Fresnel Abstract Box Model
- 19. Phresnel
- 21. Phresnel Forms
- 26. An alternative: JS-based editing
- 27. Storing data
- 28. Vision: Cooperative cataloging in a service-oriented library infrastructure
- 29. Building a service-oriented library infrastructure Part of a grant proposal German Research Foundation's infrastructure programme Aggregating and bundling descriptions in one national registry Real-time communication Easy to use Web Services
- 31. Further information • hbz LOD blog (news around lobid.org) • Phresnel source code on github: https://github.com/lobid/PhresnelApp
- 32. Thanks. Questions? With pleasure now/here or also later to felix.ostrowski@googlemail.com or semweb@hbz-nrw.de 32
- 33. License These slides are published under a Creative Commons license: http://creativecommons.org/licenses/by/3.0/de/ 33