Semantic Web in Action
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This is the presentation we (Stefan, Eyal, and I) gave to Google on May, 25th 2007
![Outline ,[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Semantic Web in Action
- 1. Semantic Web in Action Stefan Decker, Eyal Oren, Sebastian R. Kruk
- 6. The Semantic Web (so far)
- 7. Social semantic information spaces: SW 2.0 Web 2.0 and social software
- 8. SIOC: Semantically Interlinked Community Sites Stefan Decker
- 20. SIOC Ontology
- 21. How can SIOC data be used?
- 22. Browsing SIOC with TimeLine (1)
- 23. Browsing SIOC with TimeLine (2)
- 26. Next steps : Add Onion Rings of Vocabularies RDF Calendar Microformats
- 27. Semantic Web application development: ActiveRDF and BrowseRDF Eyal Oren
- 28. Semantic Web applications: Database-driven web applications Semantic Web applications Centralised Decentralised One fixed schema Semi-structured One fixed vocabulary Arbitrary vocabulary Centralised publishing Publish anywhere One datasource Many distributed datasources Closed system s Open systems
- 29. Motivation relational web applications: database object-relational mapping web application framework
- 30. Motivation relational web applications: database object-relational mapping web application framework
- 31. Motivation relational web applications: semantic web applications: database object-relational mapping web application framework
- 32. Motivation relational web applications: semantic web applications: database object-relational mapping web application framework data source
- 33. Motivation relational web applications: semantic web applications: database object-relational mapping web application framework data source RDF store
- 34. Motivation relational web applications: semantic web applications: database object-relational mapping web application framework ??? data source RDF store ???
- 35. Motivation relational web applications: semantic web applications: database object-relational mapping web application framework ??? data source RDF store ??? ActiveRDF Ruby on Rails
- 38. ActiveRDF architecture proxy objects represent RDF resource, convert methods into queries abstract query API manages collection of data sources wraps RDF store with its own API
- 42. Faceted Navigation for RDF Data
- 43. Faceted browsing example: iTunes
- 46. Selection operators all thirty-year-olds all single people all people who know somebody with a friend called Stefan
- 47. Intersection operator all single thirty-year-olds that know somebody who has a friend called Stefan
- 48. Inverse operators all DERI employees all working people all people working for an Irish company
- 49. Interface construction algorithm select resources (constrain information space) select facets (arcs in constrained space) rank facets (identify most interesting facets) select ?s where ... select ?p where ...
- 53. JeromeDL the Semantic Digital Library Sharing and Interconnecting Knowledge Sebastian R. Kruk
- 58. Metadata and Services in JeromeDL
- 59. Semantic Metadata and Services
- 64. Semantic Metadata and Services
- 67. Social Semantic Collaborative Filtering foaf:knows xfoaf:include xfoaf:bookmark