Leveraging Social data with Semantics W3C Workshop on the Future of Social Networking 15-16 January 2009, Barcelona Fabien Gandon, INRIA RDF RDFS OWL rules.

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Presentation transcript:

Leveraging Social data with Semantics W3C Workshop on the Future of Social Networking January 2009, Barcelona Fabien Gandon, INRIA RDF RDFS OWL rules networks profiles tags forum mails Web 2.0 inference approximation query notify monitor foster SPARQL Web links chats

beetweenness centrality reveals brokers « A place for good ideas » [Burt 1992] [Burt 2004] sociograms and analysis

W3C 

W3C ®

graphs, graphs, graphs, … Fabien Marco Guillaume Nicolas Michel Rémi social network analysis Fabien creator author Man type doc.html author Semantic web is not antisocial Person Man sub propertysub class semantic web creator Person type

classic SNA on semantic web graphs RDF graph non-typed graphs

leveraging the full semantic web stack SPARQL + Extensions Social Network Analysis Ontology FOAF, RELATIONSHIP, SIOC, DC, SKOS, SCOT, DOAP, MOAT FOAF, RELATIONSHIP, SIOC, DC, SKOS, SCOT, DOAP, MOAT Domain Ontologies Domain Ontologies RDF/S, OWL GRDDL RDFa µformats XML Wrappers & web 2.0 APIs social data Semantic Social Network Analysis [PhD Guillaume Erétéo]

ADD { ?y ?y semsna:hasInDegree _:b0 param[type] _:b0 semsna:forProperty param[type] ?indegree _:b0 rdf:value ?indegree param[length] _:b0 semsna:hasLength param[length] } ?ycount(?x) as ?indegree SELECT ?y count(?x) as ?indegree { ?y ?x $path ?y param[type] filter(match($path, star(param[type]))) param[length] filter(pathLength($path)<= param[length]) ?y } group by ?y Broker! parameterized in-degree [PhD Guillaume Erétéo]

long tail distribution of the betweenness centralities projections on 2020 FOAF profiles extracted from flickr.com [Freeman, 1979] [PhD Guillaume Erétéo]

social semantic graphs global

other graphs available too...

e.g. capture bookmarks and their tags co-tags extracted from delicious for “ademe” 6054 bookmarks, 16 users, 5153 tags, 5969 resources [PhD Freddy Limpens]

global giant graph linking users, actions, knowledge, companies, etc. #Freddy #bk81 hasBookmark hasTag #tag27 y industry hasLabel #Fabien #bk34 #tag92 es industries hasBookmark hasLabel hasTag shareInterest

link a maximum of graphs

closing messages

open issues

open your mobile web open your data mobile web ok +=

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 phones: DBPedia Mobile, i-MoCo (250 million triples)

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.

Fabien Gandon Person type name slidesOn identifies