http://tomheath.com/papers/bizer-heath-berners-lee-ijswis-linked-data.pdf
In this map of Linked Data, Bio2RDF contribution is shown in purple. The corresponding SPARQL endpoints are available here :
http://delicious.com/tag/bio2rdf:sparql
The Bio2RDF project uses open-source Semantic Web technologies to provide interlinked life science data to support biological knowledge discovery. Using both syntactic and semantic data integration techniques, Bio2RDF puts into practice a simple methodology to generate and seamlessly integrate machine-interpretable data that can be powerfully interograted with SPARQL-based queries to answer sophisticated questions.