http://www.reactome.org/biopax# re MAGENTA Y
http://www.w3.org/2000/01/rdf-schema# rdfs GREEN Y
http://www.biopax.org/release/biopax-level2.owl# bp BLUE Y
http://www.w3.org/2002/07/owl# owl YELLOW Y
http://www.w3.org/2001/XMLSchema# xsd ORANGE Y
http://www.w3.org/1999/02/22-rdf-syntax-ns# rdf GREEN Y
http://sysbio.pasteur.fr/analysis# an RED Y
