Stephen S. Yau Hasan Davulcu Supratik Mukhopadhyay Dazhi Huang Haishan Gong Prabhdeep Singh Fatih Gelgi Automated Situation-Aware Service Composition in Service-Oriented Computing. 59-82 2007 4 Int. J. Web Service Res. 4 http://www.igi-pub.com/articles/details.asp?ID=7571 db/journals/jwsr/jwsr4.html#YauDMHGSG07