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.
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)