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Re: Common Tag - semantic tagging convention

From: Yves Raimond <yves.raimond@gmail.com>
Date: Fri, 12 Jun 2009 11:47:58 +0200
Message-ID: <82593ac00906120247j25e5e0f8la8a930d5a9f5df53@mail.gmail.com>
To: Danny Ayers <danny.ayers@gmail.com>
Cc: Toby Inkster <tai@g5n.co.uk>, Andraz Tori <andraz@zemanta.com>, Kingsley Idehen <kidehen@openlinksw.com>, public-lod@w3.org
Hello!

On Fri, Jun 12, 2009 at 11:38 AM, Danny Ayers<danny.ayers@gmail.com> 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/
Received on Friday, 12 June 2009 09:48:36 UTC

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