I forgot to notice that first query doesn't work.
2010/4/23 Alexander Sidorov <alexi...@gmail.com>
> Hello!
>
> Should these queries:
>
> WHERE
> {
> ?s <http://www.geonames.org/ontology#featureClass> "
> http://www.geonames.org/ontology#P"; .
> }
>
> WHERE
> {
> ?s <http://www.geonames.org/ontology#featureClass> ?featureClass .
> FILTER (?featureClass = "http://www.geonames.org/ontology#P";)
> }
>
> be equivalent?
>
> Yes, I know featureClass predicate stores URIs but not literals at GeoNames
> dataset. But my custom GeoNames dataset first stored it as literals (it
> really doesn't change anything from semantic point of view as there is now
> URI <http://www.geonames.org/ontology#P>). Then for performance reasons I
> have reimplemented RDF generator so that featureClass stores URIs. But there
> is a chance this problem can be reproduced on more real usecases so I
> decided to report it.
>
> Regards,
> Alexander
>
