Obtaining object in a particular language

[anoga...@gmail.com]

Hello I am working with UDC the schema is like

<skos:Concept rdf:about="http://udcdata.info/078887">
<skos:inScheme rdf:resource="http://udcdata.info/udc-schema"/>
<skos:notation rdf:datatype="http://udcdata.info/UDCnotation">----</skos:notation>
<skos:prefLabel xml:lang="af">HOOFTABELLE</skos:prefLabel>
<skos:prefLabel xml:lang="be">АСНОЎНЫЯ ТАБЛІЦЫ</skos:prefLabel>
<skos:prefLabel xml:lang="bg">ОСНОВНА ТАБЛИЦА</skos:prefLabel>
<skos:prefLabel xml:lang="bn">প্রধান সারণিসমূহ</skos:prefLabel>
<skos:prefLabel xml:lang="ca">TAULES PRINCIPALS</skos:prefLabel>
<skos:prefLabel xml:lang="cs">Hlavní tabulky</skos:prefLabel>
<skos:prefLabel xml:lang="de">HAUPTTAFELN</skos:prefLabel>
<skos:prefLabel xml:lang="el">ΚΥΡΙΟΙ ΠΙΝΑΚΕΣ</skos:prefLabel>
<skos:prefLabel xml:lang="en">MAIN TABLES</skos:prefLabel>
...

I want to obtain only the concept in English. What I have to do?
g.add( (None, skos.prefLavel, None) )

Will give me all the objtects not only the one in English

Thank you.

[Niklas Lindström]

Hi,

In general, you can do:

    from rdflib.namespace import SKOS

    for o in g.objects(URIRef("http://udcdata.info/078887"), SKOS.prefLabel):

        if o.language == 'en':

            print o

There is also a utility function for getting labels (skos:prefLabel and similar) and filtering on language:

    for p, o in g.preferredLabel(URIRef("http://udcdata.info/078887"), lang='en'):

        print o

Cheers,

Niklas

 

Thank you.

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