AllegroGraph provides support for SPARQL 1.1:

It does not directly support entailment regimes but AllegroGraph's RDFS++ reasoner or OWL Materializer can be used to support inference.

Note that AllegroGraph does not support either the Service Description or the Graph Store HTTP Protocol. All of the functionality in the Graph Store protocol can be achieved using SPARQL Query and Update).

DAWG test failures

If you find any other problems (with conformance or performance) please let us know by e-mailing support.