Invited Papers.- The Real World or Web Engineering?.- Web Engineering – Old Wine in New Bottles?.- Requirements Engineering: Problem Analysis and Solution Specification (Extended Abstract).- Web Quality and Usability.- Automated Evaluation of Web Usability and Accessibility by Guideline Review.- “I Need It Now”: Improving Website Usability by Contextualizing Privacy Policies.- A Linear Regression Model for Assessing the Ranking of Web Sites Based on Number of Visits.- A Framework for Exploiting Conceptual Modeling in the Evaluation of Web Application Quality.- Using Adaptive Techniques to Validate and Correct an Audience Driven Design of Web Sites.- Conceptual Modeling.- Modeling User Input and Hypermedia Dynamics in Hera.- A Behavioral Semantics of OOHDM Core Features and of Its Business Process Extension.- XGuide – Concurrent Web Engineering with Contracts.- A Proposal for Petri Net Based Web Service Application Modeling.- Extending Navigation Modelling to Support Content Aggregation in Web Sites.- Web Services and Distributed Processes and Systems.- Exception Handling Within Workflow-Based Web Applications.- Loosely Coupled Web Services in Remote Object Federations.- MDA Applied: From Sequence Diagrams to Web Service Choreography.- A Three-Level Architecture for Distributed Web Information Systems.- Modeling and Analysis of Contract Net Protocol.- Web Metrics, Cost Estimation, and Measurement.- A Web Metrics Survey Using WQM.- A COSMIC-FFP Based Method to Estimate Web Application Development Effort.- Evaluation of Commercial Web Engineering Processes.- A Roadmap Towards Distributed Web Assessment.- Ontology for Software Metrics and Indicators: Building Process and Decisions Taken.- Measuring Semantic Relations of Web Sites by Clustering of Local Context.- Personalization and Adaptation of Web Applications.- Interplay of Content and Context.- Model-Driven Design of Web Applications with Client-Side Adaptation.- Personalisation Services for Self E-learning Networks.- Personalizing Web Sites for Mobile Devices Using a Graphical User Interface.- Personalizing Digital Libraries at Design Time: The Miguel de Cervantes Digital Library Case Study*.- Code Generation and Tools.- Comparison of Two Approaches for Automatic Construction of Web Applications: Annotation Approach and Diagram Approach.- Device Independent Web Applications – The Author Once – Display Everywhere Approach.- WAPS: Web Application Prototyping System.- A Framework for the Simulation of Web Applications.- Advisor Suite: A Tool for Rapid Development of Maintainable Online Sales Advisory Systems.- Development Process and Process Improvement of Web Applications.- An Agent-Based Approach to Web Site Maintenance.- From Maintenance to Evolutionary Development of Web Applications: A Pragmatic Approach.- An MDA Approach for the Development of Web Applications.- RetroWeb: A Web Site Reverse Engineering Approach.- Empirical Methodologies for Web Engineering.- Semantic Web and Applications.- Using RDF to Query Spatial XML.- Extending Policy Languages to the Semantic Web.- HyCo – An Authoring Tool to Create Semantic Learning Objects for Web-Based E-learning Systems.- Annotation for the Semantic Web During Website Development.- Lifting XML Schema to OWL.- Performance.- Accelerating Dynamic Web Content Delivery Using Keyword-Based Fragment Detection.- SIE – Intelligent Web Proxy Framework.- Wide Area Performance Monitoring Using Aggregate Latency Profiles.- Workload Characterization of Uncacheable HTTP Content.- A Scalable Component-Based Architecture for Online Services of Library Catalogs.- Web Data Models, Query and Representation Languages.- An XHTML 2.0 Implementation.- Semantic Matching of Natural Language Web Queries.- From Relational Data to RDFS Models.- Automatic Interpretation of Natural Language for a Multimedia E-learning Tool.- Representing XML Schema in UML – A Comparison of Approaches.- Web Interface Engineering.- Screen Readers Cannot See.- Engineering the Presentation Layer of Adaptable Web Information Systems.- A Notation and Framework for Dialog Flow Control in Web Applications.- A Framework for the Internationalization of Data-Intensive Web Applications.- Using Web Services to Build Context-Aware Applications in Ubiquitous Computing.- Security, Safety, and Reliability.- Model-Checking of Safety and Security Aspects in Web Service Flows.- Reliable and Adaptable Security Engineering for Database-Web Services.- Supporting Secure Deployment of Portal Components.- A System for Interactive Authorization for Business Processes for Web Services.- Web Engineering Curriculum: A Case Study of an Evolving Framework.- Web Mining, User Models, and Data Analysis.- Behaviour Recovery and Complicated Pattern Definition in Web Usage Mining.- An Efficient Automated Negotiation System Using Multi-attributes in the Online Environment.- Local Nonnegative Matrix Factorization for Mining Typical User Session Profile.- An Architecture for Personalized Systems Based on Web Mining Agents.- WISE: A Web-Based Intelligent Sensor Explorer Framework for Publishing, Browsing, and Analyzing Sensor Data over the Internet.- Posters.- Semantic Information Generation from Classification and Information Extraction.- A Study on the Secure Business Web Service Based on ebXML.- Website Modeling and Website Generation.- Improving Web Sites by Automatic Source Code Analysis and Modifications.- Using Topic Maps in an E-learning Context.- A Component-Based WebGIS Geo-Union.- Engineering a Semantic Web for Pathology.- Enhancing Decoupling in Portlet Implementation.- A Metadata Model for the Design and Deployment of Document Management Systems.- MSC-Based Formalism for Automated Web Navigation.- A Procedure for Development and Execution of Process-Based Composite Web Services.- Towards Integrating Autonomously Created Knowledge Descriptions for the Semantic Web.- XWebProcess: Agile Software Development for Web Applications.- Automating Standards-Based Courseware Development Using UML.- WING: A Web Probing, Visualization, and Performance Analysis Service.- Preparing for Service-Oriented Computing: A Composite Design Pattern for Stubless Web Service Invocation.- An Architectural Model to Promote User Awareness on the Web.- UML Profile for OWL.- Building and Operating an E-business Platform – Technical Challenges and Other Pitfalls.- Tool Demonstrations.- Model-Driven Web Development with VisualWADE.- WebRatio, an Innovative Technology for Web Application Development.- Modeling the Structure of Web Applications with ArgoUWE.- Welkin: Automatic Generation of Adaptive Hypermedia Sites with NLP Techniques.- Authoring and Dynamic Generation of Adaptive E-courses.