Alexandre Ceasar Tavares Vidal Francisco José da Silva e Silva Sergio Takeo Kofuji Fabio Kon Semantics-based grid resource management. 7 2007 MGC http://doi.acm.org/10.1145/1376849.1376856 conf/middleware/2007mgc db/conf/middleware/mgc2007.html#VidalSKK07