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Re: About the root element of the SKOS/RDF

From: Mark van Assem <mark@cs.vu.nl>
Date: Wed, 26 Jul 2006 11:04:55 +0200
Message-ID: <44C73037.6050402@cs.vu.nl>
To: nabonita guha <nabonitaguha@yahoo.com>
CC: public-esw-thes@w3.org

Hi,

Depends on what you mean with "root node". It might be the Concept 
Scheme instance, it might be the set of broadest concepts, possibly 
the c_3397 and c_32543 in your piece of code below. Note that the 
Guide [1] recommends/prescribes (?) to use skos:hasTopConcept between 
the ConceptScheme node and the "root concepts", which should make it 
easy to query for the set of broadest concepts.

CHeers,
Mark.

[1]http://www.w3.org/TR/swbp-skos-core-guide/

nabonita guha wrote:
> Hi,
> Can anyone tell me that which is the root node in the following SKOS/RDF 
> code:
> 
> <?xml version="1.0" encoding="utf-8"?>
> <rdf:RDF
>   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
>   xmlns:skos="http://www.w3.org/2004/02/skos/core#"
>   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
>   xmlns:dc="http://purl.org/dc/elements/1.1/"
>   xmlns:dcterms="http://purl.org/dc/terms/"
>   xmlns:foaf="http://xmlns.com/foaf/0.1/">
> 
> <skos:ConceptScheme rdf:about="http://www.fao.org/aos/agrovoc">
>   <dc:title>AGROVOC</dc:title>
>   <dc:description>FAO Multilingual Thesaurus.</dc:description>
>   <dc:creator>
>     <foaf:Organization><foaf:name>FAO</foaf:name></foaf:Organization>
>   </dc:creator>
>   <dc:rights>Free to all for non commercial use.</dc:rights>
>   <dcterms:issued>Tue May 23 07:57:15 CEST 2006</dcterms:issued>
>   <dcterms:modified>2006-05-12 17:43:21</dcterms:modified> 
> </skos:ConceptScheme>
> 
> 
>   <skos:Concept rdf:about="http://www.fao.org/aos/agrovoc#c_3">
>     <skos:prefLabel xml:lang="en">ABA</skos:prefLabel>  
>     <skos:altLabel xml:lang="en">Abscisic acid</skos:altLabel>   
>     <skos:changeNote rdf:parseType="Resource">
>      <rdf:value>The last modification for this concept was for the term 
> in SK</rdf:value>
>      <dc:creator>
>       <foaf:Organization><foaf:name>FAO/GILW</foaf:name></foaf:Organization>
>      </dc:creator>
>      <dc:date>2005-12-16 00:00:00</dc:date>
>      <dc:language>
>       <dcterms:RFC1766>
>        <rdf:value>EN</rdf:value>
>        <rdfs:label>English</rdfs:label>
>       </dcterms:RFC1766>
>      </dc:language>
>     </skos:changeNote>
>     <skos:broader rdf:resource="http://www.fao.org/aos/agrovoc#c_3397"/>
>     <skos:broader rdf:resource="http://www.fao.org/aos/agrovoc#c_32543"/>
>   </skos:Concept>
> </rdf:RDF>
> 
> Thanks
> 
> --
> 
> Nabonita
> 
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-- 
  Mark F.J. van Assem - Vrije Universiteit Amsterdam
        markREMOVE@cs.vu.nl - http://www.cs.vu.nl/~mark
Received on Wednesday, 26 July 2006 09:05:08 UTC

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