Alexandra Pomares Quimbaya Claudia Roncancio José Abásolo María-Del-Pilar Villamil Dynamic Source Selection in Large Scale Mediation Systems. 58-69 2008 Globe http://dx.doi.org/10.1007/978-3-540-85176-9_6 conf/globe/2008 db/conf/globe/globe2008.html#QuimbayaRAV08