Shawn Bowers Kai Lin Bertram Ludäscher On Integrating Scientific Resources through Semantic Registration. 349-352 2004 conf/ssdbm/2004 SSDBM http://doi.ieeecomputersociety.org/10.1109/SSDBM.2004.56 db/conf/ssdbm/ssdbm2004.html#BowersLL04