Joaquim Gabarró Alan Stewart Maurice Clint Eamonn Boyle Isabel Vallejo Computational Models for Web- and Grid-Based Computation. 640-650 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2790&spage=640 2003 conf/europar/2003 Euro-Par db/conf/europar/europar2003.html#GabarroSCBV03