Quick answer from memory as I'm prepping a lecture. On 6 Apr 2011, at 13:15, Thorsten Möller wrote:
> Hi all, > > I tried to find information about the relationship between using SPARQL under > the SPARQL OWL 2 Direct Semantics Entailment Regime [1] and SPARQL-DL [2], in > terms of expressive power and their semantics. As far as I can see they seem > to be quite similar, Yep. > both syntactically and in terms of semantic entailment. Yep. Main differences will show up in BNode and Datatype handling. SPARQL/OWL2 also disallows non-distinguished variables. > Am I right that they can be considered equivalent, provided that one adopts > the usual OWA and not(UNA)? There are likely to be differences around the margins (unsuprisingly; SPARQL/OWL2 is much more extensively specced), but by and large they should behave the same. Cheers, Bijan.
