§16§§This book constitutes the refereed proceedings of the 4th International Conference on §04§Invited Talk.- Trust for Digital Products.- Auctions.- e-Procurement Using Goal Programming.- Increasing Realized Revenue via Profit Redistribution: A Variant of Online Dutch Auction.- A Combinatorial Exchange for Autonomous Traders.- A Web Services Matchmaking Engine for Web Services.- Security 1.- A Secure Electronic Payment Scheme for Charity Donations.- Smart Card Based Mobile Payment with Fairness Revocation Mechanism.- Enhancing E-commerce Security Using GSM Authentication.- Security 2.- The ET-RBAC Based Privilege Management Infrastructure for Wireless Networks.- Efficient Signature Validation Based on a New PKI.- An Anonymous Asymmetric Public Key Traitor Tracing Scheme.- Toward a Security EC Transaction on Web.- Agents and Search.- Genetic Local Search in an Automated Contracting Environment.- Mobile Agents for Web Service Composition.- eb XML.- Development of an ebXML Conformance Test System for e-Business Solutions.- ebIOP: An ebXML Compliant B2B Interoperability Platfo §04§rm.- Security 3.- A Watermarking Method for Halftone Images Based on Iterative Halftoning Method.- A Security Architecture for Reputation Systems.- TYSecureWS: An Integrated Web Service Security Solution Based on Java.- Security 4.- Protecting Intellectual Property by Guessing Secrets.- A Privacy-Enhanced Peer-to-Peer Reputation System.- Profiting from Untrusted Parties in Web-Based Applications.- Modeling and Technology.- An Access Scheduling Tree to Achieve Optimal Freshness in Local Repositories.- Cooperative Queries in Semistructured Data Model.- Using Internet Glossaries to Determine Interests from Home Pages.- XML.- Transformation of XML Data Using an Unranked Tree Transducer.- Storing DTD-Conscious XML Data in XEDY.- Efficient Maintenance of XML Views Using View Correspondence Assertions.- Case Studies.- On Verifying the Internet Open Trading Protocol.- Strategies for E-commerce Applications in Tourism.- Analysis and Design of e-Commerce Applications on the Web: A Case Stud §04§y of OO Techniques and Notations.- Web Metrics for Retailers.- Modeling, Design and Performance.- Metamodeling-Based Semantic Web Languages.- Designing Web Menu for Configurable Goods.- Customizing Business Processes in Web Applications.- Characterizing Crawler Behavior from Web Server Access Logs.- Business Processes.- Enterprise Model Integration.- Matching Algorithms for Composing Business Process Solutions with Web Services.- Dynamic Modelling of Strategic Supply Chains.- Brokering and Recommender Systems.- Group Typical Preference Extraction Using Collaborative Filtering Profile.- Exploiting Similarity Measures in Multi-criteria Based Recommendations.- Brokering Services in Cooperative Distributed Systems: Privacy-Based Model.- Position Paper.- Enterprise Application Integration - Future Revisited?.
