[TagCommons-WG] Use Cases for Sharing Tag Data - Summary

[Marja Koivunen]

Nitin Borwankar wrote:
> Marja Koivunen wrote:
>
>>
>> I don't think type belongs to the structure of the tag/topic but you 
>> could add that data to the bookmark. But why not just create another 
>> set of topics/tags stating different source types and share and use 
>> them?
>>
>> In addition, you can also look the metadata of the source file itself.
>>
>>  
>>
>
> OK, so this begs the question -
>
> Is it already agreed upon that the TagCommons WG output is to be 
> expressed as RDF?
I hope so. But naturally we can also endlessly create new replacements 
for Annotea and rename the concepts.
>
> I have no background in the use of RDF Schemas for such purposes, 
> although I can read and understand, to some extent, the kind of 
> subject matter discussed under the Annotea effort. But, and this needs 
> to be said, if we want to interoperate with existing web apps in ways 
> that draw in members of these
> communties, then we have to be able to express the subject matter in 
> multiple formalisms.
RDF basically consists of triples with subject, predicate and object. 
See RDF primer:
 http://www.w3.org/TR/rdf-primer/ or
an another explanation of basic principles:
http://www.w3.org/2001/12/semweb-fin/w3csw
>
> I looked at the Annotea web site and find the extended notion of an 
> Annotation rather than just a tag, appealing and powerful.
> But for people not in the Semantic Web area to use it, and many such 
> people would want to use these ideas, we have to be able to express 
> them in other ways than RDF.
> If I have to swallow the RDF infrastructure kool-aid then I am less 
> likely to get excited about it.
>
> So I will put on my asbestos suit as I ask :-
>
> Is there a way to express the Annotea relationships in ER diagrams?  
> Has this been done?
> Are there fundamental reasons aside from performance why this is not a 
> good idea?
I hope I'm not so letal that asbestos suite becomes necessary :-).
I don't know if there are ER diagrams of generated of Annotea, but it 
shouldn't be difficult. Here is some information:
http://www.w3.org/DesignIssues/RDB-RDF.html

Marja (I'm having problems with my computer and e-mail so I might be a 
bit slow in answering).
>
> Nitin.
>
>
>> Marja
>>
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>>  
>>
>
>