http://www.biopax.org/release/biopax-level2.owl# biopax2 RED Y
http://www.w3.org/1999/02/22-rdf-syntax-ns# rdf GREEN Y
http://www.w3.org/2002/07/owl# owl YELLOW Y
http://cbio.mskcc.org/cpath# cpath RED Y
http://www.w3.org/2000/01/rdf-schema# rdfs GREEN Y
