EuroVOTech Astronomical Objects	IVOA Messengers	Source
http://www.ivoa.net/rdf/messenger#Optical	http://eurovotech.org/objects-structure.owl#Optical	LOOM
http://www.ivoa.net/rdf/messenger#UV	http://eurovotech.org/objects-structure.owl#UltraViolet	LOOM
http://www.ivoa.net/rdf/messenger#Infrared	http://eurovotech.org/objects-structure.owl#Infrared	LOOM
http://www.ivoa.net/rdf/messenger#Radio	http://eurovotech.org/objects-structure.owl#Radio	LOOM