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Re: Subjects as Literals, [was Re: The Ordered List Ontology]

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Thu, 01 Jul 2010 10:35:04 -0400
Message-ID: <4C2CA798.2050804@openlinksw.com>
To: Yves Raimond <yves.raimond@gmail.com>
CC: nathan@webr3.org, Pat Hayes <phayes@ihmc.us>, Toby Inkster <tai@g5n.co.uk>, Dan Brickley <danbri@danbri.org>, Linked Data community <public-lod@w3.org>, Semantic Web <semantic-web@w3.org>
Yves Raimond wrote:
> Hello Kingsley!
>
>
> [snip]
>
>   
>> IMHO an emphatic NO.
>>
>> RDF is about constructing structured descriptions where "Subjects" have
>> Identifiers in the form of Name References (which may or many resolve to
>> Structured Representations of Referents carried or borne by Descriptor
>> Docs/Resources). An "Identifier" != Literal.
>>
>> If you are in a situation where you can't or don't want to mint an HTTP
>> based Name, simply use a URN, it does the job.
>>     
>
> It does look like you're already using literal subjects in OpenLink
> Virtuoso though:
>
> http://docs.openlinksw.com/virtuoso/rdfsparql.html
>
> SQL>SELECT *
> FROM <people>
> WHERE
>   {
>     ?s foaf:Name ?name . ?name bif:contains "'rich*'".
>   }
>
> Best,
> y
>
>   

Were is the Literal Subject in the query above?

bif:contains is a function/magic predicate scoped to Literal Objects.

<people> != "people".

What am I missing?

-- 

Regards,

Kingsley Idehen	      
President & CEO 
OpenLink Software     
Web: http://www.openlinksw.com
Weblog: http://www.openlinksw.com/blog/~kidehen
Twitter/Identi.ca: kidehen 
Received on Thursday, 1 July 2010 14:35:39 UTC

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