A logo asked by a good friend of mine, who is part of #cumulusrdf
CumulusRDF (see Wikipedia for details on “Cumulus”) is an RDF store on a cloud-based architecture. CumulusRDF provides a REST-based API with CRUD operations to manage RDF data. The current version uses Apache Cassandra as storage backend.
https://code.google.com/p/cumulusrdf/