. "Virtuoso has supported Federated SPARQL a/k/a SPARQL-FED since the specification was created. Clustering has more to do with horizontal partitioning of the database across many machines (physical or virtual) to parallelize execution of queries, etc. SPARQL-FED may be used with a Virtuoso Cluster, just as with a Single-Server Instance."@en . . . . . "Answer to question: When will federation of triple stores be available in Virtuoso and how does it compare to clustering?" . . "Answer to question: When will federation of triple stores be available in Virtuoso and how does it compare to clustering?"@en . "Virtuoso has supported Federated SPARQL a/k/a SPARQL-FED since the specification was created. Clustering has more to do with horizontal partitioning of the database across many machines (physical or virtual) to parallelize execution of queries, etc. SPARQL-FED may be used with a Virtuoso Cluster, just as with a Single-Server Instance." . . "Virtuoso has supported Federated SPARQL a/k/a SPARQL-FED since the specification was created. Clustering has more to do with horizontal partitioning of the database across many machines (physical or virtual) to parallelize execution of queries, etc. SPARQL-FED may be used with a Virtuoso Cluster, just as with a Single-Server Instance." . . .