Re: Subjects & Tagging - Help?

Alexandre Passant wrote:
> Hi Nathan,
>
> On 3 Nov 2009, at 18:16, Nathan wrote:
>
>> Hi All,
>>
>> Hoping for a little bit of guidance here on tagging & assigning 
>> subjects to content etc - I can't quite grasp how to describe what an 
>> item of content is about; particularly in the context of a normal 
>> blog post and with relation to tags/subjects/moat/commontag/scot etc.
>>
>> In short I've build a little mashup of a few services and some linked 
>> data which extracts terms & subjects from an item of content; and now 
>> I'm unclear of which ontologies to use.
>>
>>
>> The info I can extract is "tag string" and mainly a dbpedia uri for 
>> the tag (to give it real meaning I guess)
>>
>> example..
>>     string:    Nuclear program of Iraq
>>     URI:    http://dbpedia.org/resource/Nuclear_program_of_Iran
>>
>> also bearing in mind that I'll typically have 5-10 of these per "post".
>>
>> On the face of it I'd assume I should be using the following for each 
>> "tag" and leaving the string literal value out of the triples altogether
>>     http://purl.org/dc/terms/subject
>>     http://www.holygoat.co.uk/owl/redwood/0.1/tags/taggedWithTag
>>
>> however, with MOAT/CommonTag/SCOT (and no doubt others) added in to 
>> the equation I'm totally lost as which is the most fitting and widely 
>> recognised for tagging content in this manner; is it worth adding 
>> something to say that it was automatically tagged by a machine? or 
>> including the string literal value of the tag(s)?
>
> SCOT does not directly address the issue of 'tag meaning' but focus on 
> modeling tagclouds and making them interoperable.
>
> MOAT and CommonTag serve the same general purpose (defining what tag 
> means, in terms of URIs) so you can use whatever you like - however, 
> CommonTag is indexed by SearchMonkey so that is a clearer advantage 
> for it and I'd then suggest to use that one if you develop an app on 
> the Web.
>
> A few differences between them however so far (it may evolve in the 
> future, with ongoing work on CommonTag)
>
> - CommonTag provides ways to make the difference between 
> ctag:AuthorTag, ctag:ReaderTag and ctag:AutoTag while MOAT just make 
> the difference between manual and auto-tag.
> - MOAT models the "tagging action" (i.e. tri/quatri-partite model, 
> based on - and extending - the Tag Ontology) and 'global meanings' 
> (that can be used if you want to setup a tag server that deliver URIs 
> / meanings for each tags, e.g. in a company.)
>
> Hope that helps,
>
> Best,
>
> Alex.
>
Alex,

What the URI of your MOAT to CommonTags mapping? That should be 
something that easy to find :-)

Nathan: You just need what I refer to above then you can use terms from 
MOAT or CommonTags.

Kingsley
>>
>> Many thanks in advance,
>>
>> Nathan
>>
>
> -- 
> Dr. Alexandre Passant
> Digital Enterprise Research Institute
> National University of Ireland, Galway
> :me owl:sameAs <http://apassant.net/alex> .
>
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-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com

Received on Tuesday, 3 November 2009 18:48:33 UTC