Hello! On Fri, Jun 12, 2009 at 11:38 AM, Danny Ayers<[email protected]> wrote: > Really good to see this work! > > May be nothing, but...it appears the tagging date is associated with > the tag. I assume most systems would want to infer that tags with the > same meaning were equivalent (even though this isn't specified using > IFPs or whatever). I'm a little concerned about what you'll get when > merging different doc's data with this assumption of equivalence - > > <doc1> ctag:tagged [ > a ctag:Tag > ctag:taggingDate "2009-06-12" > ctag:means <http://rdf.freebase.com/ns/en/collaborative_tagging> ] . > > <doc2> ctag:tagged [ > a ctag:Tag > ctag:taggingDate "2009-06-13" > ctag:means <http://rdf.freebase.com/ns/en/collaborative_tagging> ] . > > -> > > [ a ctag:Tag > ctag:taggingDate "2009-06-12" > ctag:taggingDate "2009-06-13" > ctag:means <http://rdf.freebase.com/ns/en/collaborative_tagging> ] > > - which doesn't look very useful. >
Yes, this indeed will give quite weird results. The tag ontology at [1] tackles this issue nicely, by considering a tagging event and the tag itself as two different entities. Cheers, y [1] http://www.holygoat.co.uk/projects/tags/
