Leveraging social data with semantics

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Leveraging social data with semantics

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Leveraging social data with semantics

  1. 1. Sieu thi dien may Viet Long - www.vietlongplaza.com.vn foster query chats Leveraging Web links mails notify monitor profiles Social RDF data SPARQL forum Web 2.0 tags networks with approximation inferencerules Semantics OWL RDFS W3C Workshop on the Future of Social Networking 15‐16 January 2009, Barcelona Fabien Gandon, INRIA,
  2. 2. sociograms and analysis
  3. 3. beetweenness centrality reveals brokers « A place for good ideas » [Burt 1992] [Burt 2004]sociograms and analysis
  4. 4. W3C©
  5. 5. W3C©
  6. 6. W3C®
  7. 7. Fabien MichelMarco Guillaume Rémi Nicolas social network analysis graphs, graphs, graphs, …
  8. 8. Fabien Michel Marco Guillaume Rémi Nicolas social network analysis Mantype author creator Person Fabien doc.html title sub property sub class Semantic web is not antisocial author Man semantic web graphs, graphs, graphs, …
  9. 9. Fabien Michel Marco Guillaume Rémi d in ( p ) = {x ; rel ( x , p )} ° ° d in (Guillaume ) = 4 Nicolas social network analysis Mantype author creator Person Fabien doc.html title sub property sub class Semantic web is not antisocial author Man semantic web graphs, graphs, graphs, …
  10. 10. Fabien Michel Marco Guillaume Rémi d in ( p ) = {x ; rel ( x , p )} ° ° d in (Guillaume ) = 4 Nicolas social network analysis Man creatortype author creator Person Fabien doc.html type sub property sub class titlePerson author Man Semantic web is not antisocial semantic web graphs, graphs, graphs, …
  11. 11. RDF graphclassic SNA on semantic web graphs
  12. 12. RDF graph non‐typed graphsclassic SNA on semantic web graphs
  13. 13. [PhD Guillaume Erétéo] Semantic Social Network Analysis SPARQL + Extensionssocial data Social Network Analysis Ontology  FOAF, RELATIONSHIP, SIOC,  Domain DC, SKOS, SCOT, DOAP, MOAT Ontologies RDF/S, OWL  RDFa  GRDDL  Wrappers & web 2.0 APIs XML µformatsleveraging the full semantic web stack
  14. 14. [PhD Guillaume Erétéo]parameterized in‐degree od in <type,length > ( y)
  15. 15. ADD { [PhD Guillaume Erétéo] ?y semsna:hasInDegree _:b0 _:b0 semsna:forProperty param[type] _:b0 rdf:value ?indegree _:b0 semsna:hasLength param[length]}SELECT ?y count(?x) as ?indegree { ?x $path ?y filter(match($path, star(param[type]))) filter(pathLength($path)<= param[length])} group by ?y parameterized in‐degree o d in <type,length > ( y)
  16. 16. [PhD Guillaume Erétéo]long tail distribution of the betweenness centralities50 000 projections on 2020 FOAF profiles extracted from flickr.com  [Freeman, 1979]
  17. 17. global semantic graphssocial
  18. 18. other graphs available too...
  19. 19. [PhD Freddy Limpens]e.g. capture bookmarks and their tags co‐tags extracted from delicious for “ademe” 6054 bookmarks, 16 users, 5153 tags, 5969 resources
  20. 20. #FreddyhasBookmark #bk81 industry hasLabel hasTag #tag27global giant graph linking users, actions, knowledge, companies, etc.
  21. 21. #tag92 hasLabel hasTag industries #bk34 hasBookmark #Freddy #FabienhasBookmark #bk81 industry hasLabel hasTag #tag27global giant graph linking users, actions, knowledge, companies, etc.
  22. 22. #tag92 hasLabel hasTag industries #bk34 hasBookmark #Freddy #FabienhasBookmark #bk81 industry hasLabel hasTag #tag27global giant graph linking users, actions, knowledge, companies, etc.
  23. 23. #tag92 hasLabel hasTag industries #bk34 hasBookmark #Freddy #FabienhasBookmark #bk81 industry hasLabel hasTag #tag27global giant graph linking users, actions, knowledge, companies, etc.
  24. 24. link amaximumof graphs
  25. 25. closing messages
  26. 26. open issues
  27. 27. some bridges already exist... POWDER : information about web resource(s) without retrieving the resource(s)
  28. 28. some bridges already exist... POWDER : information about web resource(s) without retrieving the resource(s) Vocabularies : Device Description Vocabulary (MWI), Delivery Context Ontology (UWA), CC/PP Structure and Vocabularies
  29. 29. some bridges already exist... POWDER : information about web resource(s) without retrieving the resource(s) Vocabularies : Device Description Vocabulary (MWI), Delivery Context Ontology (UWA), CC/PP Structure and Vocabularies Semantic Web applications on mobiles: DBPedia Mobile, i‐MoCo (250 million triples), myCampus
  30. 30. ISICIL project social web applications and semantic web  frameworks for corporate applications. • enterprise social networking; • business intelligence, watching,  monitoring; • communities of interest, of practice; • web 2.0 & corporate processes integration; • trust, privacy, confidentiality.
  31. 31. http://www.slideshare.net Person slidesOn Fabien Gandon type name http://ns.inria.fr/fabien.gandon/foaf#meidentifies email Fabien.Gandon@sophia.inria.fr

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