ばいちょ(売価調査)、価格比較とネットでのお買い物を楽に

内容説明 This book constitutes the refereed proceedings of the Third International COST264 Workshop on Networked Group Communication， NGC 2001， held in London， UK， in November 2001. The 14 revised full papers presented were carefully reviewed and selected from 40 submissions. All current issues in the area are addressed. The papers are organized in topical sections on application-level aspects， group management， performance topics， security， and topology.