When I try to use a variable that is crafted from a BIND(URI(CONCAT(< some literals >)) AS ?graph) function as a graph, I experience BigData not returning any result.
I tried the query with the 1.3.0 release and I got a Java concurrent.ExecutionException. The same query works just fine on Jena's Fuseki store, so the issue must be a bug with BigData.
Here's the full query I use:
for the following N-quads: