This work constitutes the refereed proceedings of the first International Conference on Electronic Commerce and Web Technologies, EC-Web 2000, held in London, UK in September 2000. Topics include application design, intellectual property rights, security and fairness and distributed organizations.

Web Application Design.- Construction of Adaptive Web-Applications from Reusable Components.- The WebConsultant - A Flexible Framework for Dynamic Web Applications.- Security of Electronic Business Applications: Structure and Quantification.- Intellectual Property Rights.- Towards a secure and de-centralized digital watermarking infrastructure for the protection of intellectual property.- Selling Bits: A Matter of Creating Consumer Value.- A Secure Electronic Software Distribution (ESD) Protocol based on PKC.- Security and Fairness.- An Equitably Fair On-line Auction Scheme.- An Optimistic Fair Exchange E-commerce Protocol with Automated Dispute Resolution.- Secure PC-Franking for Everyone.- Distributed Organisations.- Contracts for Cross-Organizational Workflow Management.- AllianceNet: Information Sharing, Negotiation and Decision-Making for Distributed Organizations.- MIERA: Method for Inter-Enterprise Role-Based Authorization.- Web Usage Analysis.- Visualization and Analysis of Clickstream Data of Online Stores with a Parallel Coordinate System.- A Heuristic to Capture Longer User Web Navigation Patterns.- Integrating Web Usage and Content Mining for More Effective Personalization.- Extending Content-Based Recommendation by Order-Matching and Cross-Matching Methods.- Invited Talk.- Global and Local in Electronic Commerce.- Modelling of Web Applications.- Object-Oriented Conceptual Modeling of Web Application Interfaces: the OO-HMethod Abstract Presentation Model.- Representing Web Data as Complex Objects.- Applying the Resource Description Framework to Web Engineering.- EC Success Factors.- E-commerce Site Evaluation: a Case Study.- Loyalty Program Scheme for Anonymous Payment Systems.- OpenSource in Electronic Commerce — A Comparative Analysis.- EC Markets.-Electronic OTC Trading in the German Wholesale Electricity Market.- On the Competition between ECNs, Stock Markets and Market Makers.- Internet Advertising: Market Structure and New Pricing Methods.- XML.- Dynamic-Agents, Workflow and XML for E-Commerce Automation.- Towards a Foundation for XML Document Databases.- An XML/XSL-based Software Architecture for Application Service Providers (ASPs).- Web Mining.- A Search Engine for Indian Languages.- Metadata Based Web Mining for Topic-Specific Information Gathering.- Advanced Studies on Link Proposals and Knowledge Retrieval of Hypertexts with CBR.- Electronic Negotiation.- Virtual Tendering and Bidding in the Construction Sector.- Using Genetic Algorithms to Enable Automated Auctions.- Integrity and Performance.- Keeping a Very Large Website Up-to-date: Some Feasibility Results.- LRU-based algorithms for Web Cache Replacement.- A Step towards a Suite of E-commerce Benchmarks.- Facilitating EC.- A Business Model for Charging and Accounting of Internet Services.- Facilitating Business-to-Business Electronic Commerce for Small and Medium-Sized Enterprises.- Next Generation Business-to-Business E-Commerce.- Mobile E-Commerce.- Security issues in Mobile eCommerce.- Mobile Electronic Commerce: Emerging Issues.