Bob Bentley Luigi Ciminiera André Csillaghy Isabelle Scholl Management of Metadata for the Virtual Solar Observatory - Experiences from EGSO. 2003 conf/mmgps/2003 MMGPS http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS//Vol-95/08-bentley.pdf db/conf/mmgps/mmgps2003.html#BentleyCCS03