Invited Talks -- Process Based E-services -- Digital Rights Management - Dealmaker for E-business? Invited Talk -- Panel -- E-services: The Next Wave of Internet-Based Applications -- Trade / Markets -- A New M-commerce Concept: m-Mall -- Building Comparison-Shopping Brokers on the Web -- Trusted Mediation for E-service Provision in Electronic Marketplaces -- GAMA-Mall - Shopping in Communities -- Markets without Makers - A Framework for Decentralized Economic Coordination in Multiagent Systems -- Incentives for Sharing in Peer-to-Peer Networks -- Security / Trust -- Mobile Payments — State of the Art and Open Problems -- Using Smart Cards for Fair Exchange -- Rational Exchange - A Formal Model Based on Game Theory -- Enabling Privacy Protection in E-commerce Applications -- Auctions -- FAucS: An FCC Spectrum Auction Simulator for Autonomous Bidding Agents -- A Dynamic Programming Model for Algorithm Design in Simultaneous Auctions -- Profiling -- User Modelling for Live Help Systems -- Multidimensional Recommender Systems: A Data Warehousing Approach -- Business Interaction -- A Multi-criteria Taxonomy of Business Models in Electronic Commerce -- Integration of Goods Delivery Supervision into E-commerce Supply Chain -- Scalable Regulation of Inter-enterprise Electronic Commerce.

This book constitutes the refereed proceedings of the Second International Workshop on Electronic Commerce, WELCOM 2001, held in Heidelberg, Germany in November 2001. The 17 revised full papers presented together with two invited contributions were carefully reviewed and selected from 34 submissions. The papers are organized in topical sections on trade and markets, security and trust, auctions, profiling, and business interaction.