The SPARQL module provides support to SPARQL 1.1 in the platform. More preciselly, from the 11 Recommendation that compose SAPARQL 1.1, Marmotta’s implementation covers 9 of them (only Entailment Regimes and Federated Query are not yet supported.
It offers a unified interface both for Query and Update based on Squebi and data visualization based on Sgvizler.