Nice Tag Ontology : modeling tags as RDF named graphs
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Nice Tag Ontology : modeling tags as RDF named graphs

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slides about the "Nice Tag Ontology" presented at Social Network Interoperability workshop ASWC 2009.

slides about the "Nice Tag Ontology" presented at Social Network Interoperability workshop ASWC 2009.

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Nice Tag Ontology : modeling tags as RDF named graphs Nice Tag Ontology : modeling tags as RDF named graphs Presentation Transcript

  • iceTag ontology modeling tags as RDF named graphs Freddy Limpens, David Laniado Alexandre Monnin, Fabien Gandon
  • VoCamp Nice 2009
  • what is a tag? received wisdom says "it denotes a concept"
  • not quite! examples… ☺
  • a blank (inscribable) space on a material device tags: a blank (inscribable) space on an informational network
  • a label and a couple of URIs a reference to a resource (label) an access to its representation and its tags (URIs) http://www.flickr.com/2327219507/ tags:
  • current models assign a fixed form to tags but tags take on manifold forms
  • model different tag dimensions subject, sign, relation, … capture different tag usages comment, sort, diffuse, describe, rate, ... bridge existing models SCOT, MOAT, Tag Ontology, Nepomuk, …
  • named graphs [Carroll et al. 2005] to embody social acts, communicate assertional intent
  • “nature” (1) (2) (3) at least three parts in a tag
  • “nature” (1) (2) (3) a tag is a link between a resource and a sign
  • “nature” (1) (2) (3) picture shows “nature” place located “england” england” editing makes me ☺ at least three degrees of liberty
  • “nature” (1) identify the subject IRW: physical entity resource, web resource, conceptual resource… Halpin & Presutti (2009)
  • “nature” (2) sub-properties of hasSign extension of Golder & Huberman (2006), Sen et al.(2006)
  • “nature” (3) different signs symbol (text, URI), icon,…
  • http://.../tag23 “nature” tag actions captured/encapsulated in a named graph Carroll et al. (2005)
  • sioc:has_creator http://.../tag23 #buttersg88 dc:date 11/03/2008 “nature” sioc:container http://www.flickr.com describe the tag action as any other resource
  • rdf:type http://.../tag23 nt:ManualTag “nature” even type the tag action sioc:Item rdfg:Graph TagAction ManualTagAction AutoTagAction MachineTagAction IndividualTagAction CollectiveTagAction
  • http://.../tag23 … scot:hasTag #nature choose anyCommonTag, Newman's Tag Ontology… SCOT, MOAT, IRW, NAO, existing model
  • RDF source declaration 1. <irw:WebResource rdf:about ='http://www.yesand.com/' 2. cos:graph='http://mysocialsi.te/tag#7182904'> 3. <nicetag:isAbout>improvisation</nicetag:isAbout> 4. </irw:WebResource> 5. <nicetag:ManualTagAction rdf:about ='http://mysocialsi.te/tag #7182904'> 6. <dc:creator>Fabien Gandon</dc:creator> 7. <dc:date>2009-10-07T19:20:30.45+01:00</dc:date> 8. </nicetag:ManualTag>
  • SPARQL all the manual tags 1. SELECT ?t ?a ?g WHERE { 2. GRAPH ? tag { ?t ?a ?g } 3. ?tag rdf:type nicetag:ManualTagAction }
  • e. g.
  • e. g.
  • links !!!
  • summary tag actions as typed & named graphs + ontology rdf:type http://... nt:TagAction … resource RELATION sign … … …
  • http://ns.inria.fr/nicetag/2009/09/25/voc# n i c e dereferenciable t a g namespace