Adrian,
Re. SPARQL & Aggregates, see:
http://esw.w3.org/topic/SPARQL/Extensions/Aggregates
BTW: We had our own proposal for aggregates which I still owe to add to
that page in the paper mentioned by francois earlier:
Cheers,
François
[1]http://www.scharffe.fr/pub/sparql++-for-mapping-between-rdf-vocabularies-ODBASE-2007.pdf
--
Dr. Axel Polleres, Digital Enterprise Research Institute (DERI)
email: [EMAIL PROTECTED] url: http://www.polleres.net/
Everything is possible:
rdfs:subClassOf rdfs:subPropertyOf rdfs:Resource.
rdfs:subClassOf rdfs:subPropertyOf rdfs:subPropertyOf.
rdf:type rdfs:subPropertyOf rdfs:subClassOf.
rdfs:subClassOf rdf:type owl:SymmetricProperty.
