nice tag ontology : modeling tags as rdf named graphs
TRANSCRIPT
iceTag ontologymodeling tagsas RDF named graphsmodeling tagsas 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"
examples…examples…
☺
not quite!not quite!
☺
a blank (inscribable) spaceon a material device
tags:
a blank (inscribable) space
on an informational network
a label and a couple of URIsa reference to a resource (label)
an access to its representation and its tags (URIs)
http://www.flickr.com/2327219507/
tags:
tags take on manifold formscurrent models assign a fixed form to tags but
capture different tag usagescomment, sort, diffuse, describe, rate, ...
model different tag dimensionssubject, sign, relation, …
comment, sort, diffuse, describe, rate, ...
bridge existing modelsSCOT, MOAT, Tag Ontology, Nepomuk, …
named graphsto embody social acts, communicate assertional intent
[Carroll et al. 2005]
“nature”“nature”
(1)(1) (2)(2) (3)(3)
three parts in a tagat least
“nature”“nature”
(1)(1) (2)(2) (3)(3)
a linklink between a resourceresource and a signsigna tag is
(1)(1) (2)(2) (3)(3)
“nature”“nature”
(1)(1) (2)(2) (3)(3)
three degrees of libertyat least
(1)(1) (2)(2) (3)(3)
“nature”“nature”picture shows
““englandengland””place located
☺☺editing makes me
“nature”“nature”
(1)(1)
identify the subjectIRW: physical entity resource, web resource, conceptual resource…
(1)(1)
Halpin & Presutti (2009)
“nature”“nature”
(2)(2)
sub-properties of hasSign
(2)(2)
extension of Golder & Huberman (2006), Sen et al.(2006)
“nature”“nature”
(3)(3)
different signssymbol (text, URI), icon,…
(3)(3)
“nature”“nature”
http://.../tag23
captured/encapsulated in a named graphtag actions
Carroll et al. (2005)
“nature”“nature”
http://.../tag23sioc:has_creator
dc:date
sioc:container
#buttersg88
http://www.flickr.com
11/03/2008
describe the tag actionas any other resource
“nature”“nature”
http://.../tag23rdf:type
nt:ManualTag
even type the tag action
TagAction
ManualTagAction AutoTagAction MachineTagAction IndividualTagAction CollectiveTagAction
sioc:Item rdfg:Graph
#nature#nature
http://.../tag23 …
scot:hasTag
choose any existing modelSCOT, MOAT, IRW, NAO, CommonTag, Newman's Tag Ontology…
RDF source declaration1. <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:ManualTagAction5. <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 tags1. SELECT ?t ?a ?g WHERE {
2. GRAPH ? tag { ?t ?a ?g }
3. ?tag rdf:type nicetag:ManualTagAction }
e. g.
e. g.
links !!!
summarytag actions as typed & named graphs + ontology
signsignhttp://...
rdf:type
…
nt:TagAction
resource signsign…
…
…
…
resource RELATION
http://ns.inria.fr/nicetag/2009/09/25/voc#
cn e
t ga
i dereferenciable
namespace