Dennis Gannon Beth Plale Daniel A. Reed Service Architectures for e-Science Grid Gateways: Opportunities and Challenges. 1179-1185 2007 conf/otm/2007-2 OTM Conferences (2) http://dx.doi.org/10.1007/978-3-540-76843-2_2 db/conf/otm/otm2007-2.html#GannonPR07