What is SPARQL

•  http://www.w3.org/TR/rdf-sparql-query/
•  http://en.wikipedia.org/wiki/SPARQL

An endpoint to play with

•  http://delicious.com/fbelleau/bio2rdf:sparql
•  http://dbpedia.org/sparql
•  http://www.semantic-systems-biology.org/biogateway/querying
•  http://atlas.bio2rdf.org/sparql

Facet browser

•  http://atlas.bio2rdf.org/fct
•  http://dbpedia.org/fct