Hello Eyal, > this benchmark is somewhat unfair as the relational stores have one advantage > compared to the > native triple stores: the relational data structure is fixed (Products, > Producers, Reviews, etc with given columns), while the triple > representation is generic (arbitrary s,p,o). > > One can question whether such flexibility is relevant in practice, and if > so, one may try to extract such structured patterns from data on-the-fly.
That will be our next big extension -- updateable RDV Views, as proposed in http://esw.w3.org/topic/UpdatingRelationalDataViaSPARUL . So we will be able to load BSBM data as RDF and query them via SPARQL web service endpoint; thus we will masquerade the relational storage entirely. Best Regards, Ivan Mikhailov, OpenLink Software http://virtuoso.openlinksw.com