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Re: Two concrete/practical cookbook examples of Semantic Tags

From: Leyla Jael García Castro <leylajael@gmail.com>
Date: Mon, 4 Feb 2013 17:16:46 +0000
Message-ID: <CACLxDV4J-EaQgc=8kf605WEWp5g8e9dtX312oCRsmfb3np_jGw@mail.gmail.com>
To: Paolo Ciccarese <paolo.ciccarese@gmail.com>
Cc: Antoine Isaac <aisaac@few.vu.nl>, public-openannotation@w3.org
On Mon, Feb 4, 2013 at 3:59 PM, Paolo Ciccarese
<paolo.ciccarese@gmail.com>wrote:

>
>
> On Mon, Feb 4, 2013 at 10:47 AM, Antoine Isaac <aisaac@few.vu.nl> wrote:
>
>> On 2/4/13 4:36 PM, Paolo Ciccarese wrote:
>>
>>> On Mon, Feb 4, 2013 at 10:08 AM, Antoine Isaac <aisaac@few.vu.nl<mailto:
>>> aisaac@few.vu.nl>> wrote:
>>>
>>>     On 2/4/13 3:40 PM, Paolo Ciccarese wrote:
>>>
>>>         Two concrete/practical examples of Semantic Tags.
>>>         Please, just look at the RDF and the figure, I still working on
>>> the text.
>>>
>>>         1) A DBpedia entry used as semantic tag on an image:
>>>         http://www.w3.org/community/__**openannotation/wiki/SE___**
>>> Semantically_Tagging_an_Image<http://www.w3.org/community/__openannotation/wiki/SE___Semantically_Tagging_an_Image><
>>> http://www.w3.org/community/**openannotation/wiki/SE_**
>>> Semantically_Tagging_an_Image<http://www.w3.org/community/openannotation/wiki/SE_Semantically_Tagging_an_Image>
>>> >
>>>
>>>         In this case I can attach oa:Tag (oa:SemanticTag?) to the URI
>>> directly as it is a DBpedia 'resource.
>>>
>>>         2) Two URIs used as semantic tags while bookmarking a webpage
>>>         http://www.w3.org/community/__**openannotation/wiki/__**
>>> Bookmarking_and_Tagging_a___**Webpage#Open_Annotation___**Representation<http://www.w3.org/community/__openannotation/wiki/__Bookmarking_and_Tagging_a___Webpage#Open_Annotation___Representation><
>>> http://www.w3.org/community/**openannotation/wiki/**
>>> Bookmarking_and_Tagging_a_**Webpage#Open_Annotation_**Representation<http://www.w3.org/community/openannotation/wiki/Bookmarking_and_Tagging_a_Webpage#Open_Annotation_Representation>
>>> >
>>>
>>>         The URIs also identify the HTML page for those entities so I
>>> used the SpecificResource construct as Rob suggested.
>>>
>>>         Should we keep two different constructs?
>>>         Comments?
>>>
>>>
>>>
>>>     As already said I don't like the Specific Resource pattern. It
>>> messes the message of Specific Resources, by letting one think semantic
>>> tags can be obtained by "refining" a source, the same way that other
>>> specifiers do. But in the case of semantic tags of course there's nothing
>>> analogous to selectors, states, etc. Which shows well in your example:
>>> there's only oa:hasSource attached to your tag, which renders a bit absurd
>>> the use of the SR pattern.
>>>
>>>     If one wants to tie a semantic tag to a document that is very
>>> closely connected to it (one could say the document defines the concept)
>>> I'd recommend using something else. For example foaf:isPrimaryTopicOf:
>>>     http://xmlns.com/foaf/spec/#__**term_isPrimaryTopicOf<http://xmlns.com/foaf/spec/#__term_isPrimaryTopicOf><
>>> http://xmlns.com/foaf/spec/#**term_isPrimaryTopicOf<http://xmlns.com/foaf/spec/#term_isPrimaryTopicOf>
>>> >
>>>
>>>     Again, I strongly believe trying to address such generic
>>> concept/document problems into the OA machinery itself can only bring
>>> problems.
>>>
>>>
>>> I am not sure I understand what you are saying. Are you suggesting to
>>> not include Semantic Tags?
>>>
>>
>>
>> Well, I don't have strong opinion on this. I believe we can do without
>> and that oa:Tag is enough, but others apparently don't think so...
>>
>>
>>
>>  Could you take one of my examples and rephrase it as you would do it?
>>>
>>
>>
>> In http://www.w3.org/community/**openannotation/wiki/**
>> Bookmarking_and_Tagging_a_**Webpage#Open_Annotation_**Representation<http://www.w3.org/community/openannotation/wiki/Bookmarking_and_Tagging_a_Webpage#Open_Annotation_Representation>
>> [
>> ex:spres1 a oa:SpecificResource , oa:SemanticTag ;
>>    oa:hasSource MGI:88059 .
>>  ex:spres2 a oa:SpecificResource , oa:SemanticTag ;
>>    oa:hasSource OMIM:104760 .
>> ]
>> should be imo:
>> [
>> ex:spres1 a oa:Tag ;
>>    foaf:isPrimaryTopicOf MGI:88059 .
>>  ex:spres2 a oa:Tag ;
>>    faof:isPrimaryTopicOf OMIM:104760 .
>> ]
>>
>> With the above caveat: I am not strongly against having SemanticTag
>> instead of oa:Tag, if others believe it is absolutely necessary.
>>
>
> I think I can live with recommending that construct, I reach the same goal
> without misusing SpecificResource and with less triples.
> I am not sure about that use of faof:isPrimaryTopicOf though.
>
> Well, I guess foaf:isPrimaryTopicOf would not be the only possibility. As
the relation is standing what one means by adding the semantic tag, one can
use any relation that works fine for the purpose of that particular
tagging. Am I right?

Leyla
Received on Monday, 4 February 2013 17:17:38 UTC

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