Luiz A. V. C. Meyer Doug Scheftner Jens-S. Vöckler Marta Mattoso Michael Wilde Ian T. Foster An Opportunistic Algorithm for Scheduling Workflows on Grids. 1-12 2006 conf/vecpar/2006 VECPAR http://dx.doi.org/10.1007/978-3-540-71351-7_1 db/conf/vecpar/vecpar2006.html#MeyerSVMWF06