Ismael Navas Delgado José Francisco Aldana Montes Oswaldo Trelles Distributed Execution of Workflows. 936-939 2006 conf/iccS/2006-3 International Conference on Computational Science (3) http://dx.doi.org/10.1007/11758532_125 db/conf/iccS/iccS2006-3.html#DelgadoMT06