Session 1: Querying.- On Tree Pattern Query Rewriting Using Views.- Querying Capability Modeling and Construction of Deep Web Sources.- Optimization of Bounded Continuous Search Queries Based on Ranking Distributions.- Session 2: Trust.- Evaluating Rater Credibility for Reputation Assessment of Web Services.- An Approach to Trust Based on Social Networks.- A New Reputation-Based Trust Management Mechanism Against False Feedbacks in Peer-to-Peer Systems.- Session 3: Caching and Distribution.- Freshness-Aware Caching in a Cluster of J2EE Application Servers.- Collaborative Cache Based on Path Scores.- Similarity-Based Document Distribution for Efficient Distributed Information Retrieval.- Session 4: Interfaces.- BEIRA: A Geo-semantic Clustering Method for Area Summary.- Building the Presentation-Tier of Rich Web Applications with Hierarchical Components.- WeBrowSearch: Toward Web Browser with Autonomous Search.- Session 5: Events and Information Filtering.- A Domain-Driven Approach for Detecting Event Patterns in E-Markets: A Case Study in Financial Market Surveillance.- Adaptive Email Spam Filtering Based on Information Theory.- Time Filtering for Better Recommendations with Small and Sparse Rating Matrices.- Session 6: Data Extraction, Transformation, and Matching.- A Survey of UML Models to XML Schemas Transformations.- Structural Similarity Evaluation Between XML Documents and DTDs.- Using Clustering and Edit Distance Techniques for Automatic Web Data Extraction.- Session 7: Ontologies.- A Semantic Approach and a Web Tool for Contextual Annotation of Photos Using Camera Phones.- Formal Specification of OWL-S with Object-Z: The Dynamic Aspect.- An Approach for Combining Ontology Learning and Semantic Tagging in the Ontology Development Process: eGovernment Use Case.- Session 8: Rewriting, Routing, and Personalisation.- Term Rewriting for Web Information Systems – Termination and Church-Rosser Property.- Development of a Collaborative and Constraint-Based Web Configuration System for Personalized Bundling of Products and Services.- SRI@work: Efficient and Effective Routing Strategies in a PDMS.- Session 9: Agents and Mining.- Learning Management System Based on SCORM, Agents and Mining.- A Web-Based Learning Resource Service System Based on Mobile Agent.- Wikipedia Mining for an Association Web Thesaurus Construction.- Session 10: QoS and Management.- Economically Enhanced Resource Management for Internet Service Utilities.- Enhancing Web Services Performance Using Adaptive Quality of Service Management.- Coverage and Timeliness Analysis of Search Engines with Webpage Monitoring Results.- Session 11: Modeling.- Managing Process Customizability and Customization: Model, Language and Process.- A WebML-Based Approach for the Development of Web GIS Applications.- An Object-Oriented Version Model for Context-Aware Data Management.- Session 12: Topics.- Extending XML Triggers with Path-Granularity.- A Replicated Study Comparing Web Effort Estimation Techniques.- Development Process of the Operational Version of PDQM.- A New Reputation Mechanism Against Dishonest Recommendations in P2P Systems.- Industrial Session.- A Framework for Business Operations Management Systems.- A Practical Method and Tool for Systems Engineering of Service-Oriented Applications.- A Layered Service Process Model for Managing Variation and Change in Service Provider Operations.- Short Paper Session 1.- Providing Personalized Mashups Within the Context of Existing Web Applications.- Wooki: A P2P Wiki-Based Collaborative Writing Tool.- Creating and Managing OntologyData on the Web: A Semantic Wiki Approach.- Web Service Composition: A Reality Check.- Short Paper Session 2.- MyQoS: A Profit Oriented Framework for Exploiting Customer Behavior in Online e-Commerce Environments.- Task Assignment on Parallel QoS Systems.- Autonomic Admission Control for Congested Request Processing Systems.- Towards Performance Efficiency in Safe XML Update.- Short Paper Session 3.- From Crosscutting Concerns to Web Systems Models.- Generating Extensional Definitions of Concepts from Ostensive Definitions by Using Web.- Modeling Distributed Events in Data-Intensive Rich Internet Applications.- Privacy Inspection and Monitoring Framework for Automated Business Processes.- Short Paper Session 4.- Digging the Wild Web: An Interactive Tool for Web Data Consolidation.- A Web-Based Learning Information System - AHKME.- A Recommender System with Interest-Drifting.- Short Paper Session 5.- Improving Revisitation Browsers Capability by Using a Dynamic Bookmarks Personal Toolbar.- Hierarchical Co-clustering for Web Queries and Selected URLs.- Navigating Among Search Results: An Information Content Approach.