Junfeng Zhao Lu Zhang Yasha Wang Ying Jiang Bing Xie Towards an Optimization-Based Method for Consolidating Domain Variabilities in Domain-Specific Web Services Composition. 140-153 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3407&spage=140 2004 conf/ictac/2004 ICTAC db/conf/ictac/ictac2004.html#ZhaoZWJX04