This volume contains the proceedings of the seventh International Conference on Web Engineering (ICWE2007), which was held in Como (Italy) in July 2007. The conference is the ?agship event of the community, promoting research and scienti?c progress in the Web engineering ?eld. The importance of the Web -- and of its many related technologies-- is widening the scope of the conference year after year, and is also leading to the cross-fertilization of...