Heidi L. Alvarez David C. Chatfield Donald A. Cox Eric Crumpler Cassian D'Cunha Ronald Gutierrez Julio Ibarra Eric Johnson Kuldeep Kumar Tom Milledge Giri Narasimhan Seyed Masoud Sadjadi Chi Zhang CyberBridges A Model Collaboration Infrastructure for e-Science. 65-72 2007 conf/ccgrid/2007 CCGRID http://dx.doi.org/10.1109/CCGRID.2007.35 db/conf/ccgrid/ccgrid2007.html#AlvarezCCCDGIJKMNSZ07