public static GraphTraversal<Vertex, ?> compile(final Graph graph, final String sparqlQuery) {
        return compile(graph.traversal(), sparqlQuery);
    }
Converts SPARQL to a Gremlin traversal.

@param graph       the {@link Graph} instance to execute the traversal from
@param sparqlQuery the query to compile to Gremlin
sparql-gremlin/src/main/java/org/apache/tinkerpop/gremlin/sparql/SparqlToGremlinCompiler.java