Throughout Nepomuk only typed literals are used. The only exception are the ontologies, i.e. rdfs:label and rdfs:comment on classes and properties.
Cheers, Sebastian On 04/20/2010 09:51 PM, Evstifeev Roman wrote: > On Tuesday 20 of April 2010 18:38:27 Sebastian Trüg wrote: >> I agree with you. I actually think that there is not a single property >> in the Nepomuk ontologies that could not have a typed literal range >> (well, except for the ones that have non-literal ranges of course). >> But changing that now could break backwards compatibility without any >> real gain. At least I cannot think of any practical advantage to fixing >> the ranges. >> > Ok. There is another question. > Dolphin can assign nao:description to file. It uses typed RDF literal of type > xsd:string as a value. (and it is ok, as range is any rdfs:Literal) > But let's look at rdfs:comment, the superproperty of nao:description. It has > a > rdfs:Literal range too. > In ontology graphs _plain_ RDF literals are used as values of rdfs:comment > property. (for ex. <nao:Party> <rdfs:comment> "Represents a single or a group > of individuals") > So the question is what is preferable type for values of those properties > (and > all the other properties with range of rdfs:Literal) - plain RDF literal, or > typed with xsd:string type? > >> Cheers, >> Sebastian >> >> On 04/20/2010 04:20 PM, Evstifeev Roman wrote: >>> Looking at those two properties: >>> 1) nfo:fileName >>> >>> rdfs:range <http://www.w3.org/2001/XMLSchema#string> >>> >>> 2) nao:description >>> >>> rdfs:range <http://www.w3.org/2000/01/rdf-schema#Literal> >>> >>> am i right, that: >>> nfo:fileName here have range of typed RDF literal of type xsd:string >>> nao:description have range of some RDF literal (typed or plain) >>> >>> and second: >>> why range of those properties are different? It seems to me, that >>> nao:description only will ever contain a string too, and range of any RDF >>> lieral is useless here. (for ex. using xsd:integer as a description is >>> weird) _______________________________________________ >>> Nepomuk mailing list >>> [email protected] >>> https://mail.kde.org/mailman/listinfo/nepomuk >> >> _______________________________________________ >> Nepomuk mailing list >> [email protected] >> https://mail.kde.org/mailman/listinfo/nepomuk > _______________________________________________ > Nepomuk mailing list > [email protected] > https://mail.kde.org/mailman/listinfo/nepomuk > _______________________________________________ Nepomuk mailing list [email protected] https://mail.kde.org/mailman/listinfo/nepomuk
