1. Linked open drug data for pharmaceutical research and development;Samwald;J. Cheminform.,2011
2. The linked data benchmark council project;Boncz;Datenbank-Spektrum,2013
3. http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/.
4. A. Loizou, P.T. Groth, On the formulation of performant sparql queries, CoRR 1304.
5. N.A. Rakhmawati, J. Umbrich, M. Karnstedt, A. Hasnain, M. Hausenblas, Querying over federated sparql endpoints—a state of the art survey, CoRR abs/1306.1723.