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Web services have been emerging as a promising technology for business integration. Transactional support to integrated businesses via composing individual Web services is a critical issue. Current Web services protocols (e.g. BPEL4WS) have been proposed to deal with this issue on a strong assumption that each Web service is compensatable for a recovery purpose. It is arguable that Web services composition requires more transactional support beyond the compensation-based solution. This paperdoi:10.1109/icws.2007.72 dblp:conf/icws/LiLW07 fatcat:qwtl22nvsvab5bkmkc6rweg5ya