Eric Eide Leigh Stoller Tim Stack Juliana Freire Jay Lepreau Integrated Scientific Workflow Management for the Emulab Network Testbed. 363-368 2006 conf/usenix/2006g USENIX Annual Technical Conference, General Track http://www.usenix.org/events/usenix06/tech/eide.html db/conf/usenix/usenix2006g.html#EideSSFL06