This book constitutes the refereed proceedings of the 7th International Conference on Electronic Commerce and Web Technologies, EC-Web 2006, held in Krakow, Poland in September 2006 in conjunction with DEXA 2006.
The 24 revised full papers presented together with 1 invited talk were carefully reviewed and selected from 88 submissions. The papers are organized in topical sections on recommender systems, business process / design aspects, mobile commerce, security and e-payment, Web services computing / semantic Web, e-negotiation and agent mediated systems, and issues in Web advertising.