Wenju Zhang Fei Liu Shudong Chen Fanyuan Ma Automatic Services Composition in the Grid Environments. 1004-1007 2006 conf/iccS/2006-3 International Conference on Computational Science (3) http://dx.doi.org/10.1007/11758532_136 db/conf/iccS/iccS2006-3.html#ZhangLCM06