Keynotes.- Data Quality in Web Information Systems.- XML Storage and Processing on Mobile Devices.- Grid Computing and Peer-to-Peer Systems.- Approximate Information Filtering in Peer-to-Peer Networks.- Achieving Effective Multi-term Queries for Fast DHT Information Retrieval.- Efficiently Handling Dynamics in Distributed Link Based Authority Analysis.- Web Mining.- Online Outlier Detection Based on Relative Neighbourhood Dissimilarity.- Behavioural Targeting in On-Line Advertising: An Empirical Study.- Integrating Multiple Data Sources for Stock Prediction.- Rich Web User Interfaces.- Intra/Inter-document Change Awareness for Co-authoring of Web Sites.- Requirements for Rich Internet Application Design Methodologies.- SyncRerank: Reranking Multi Search Results Based on Vertical and Horizontal Propagation of User Intention.- Semantic Web.- Web-Based Measure of Semantic Relatedness.- Locally Expandable Allocation of Folksonomy Tags in a Directed Acyclic Graph.- Computing Relaxed Answers on RDF Databases.- Semantically Enhanced Entity Ranking.- Discovering Pathways of Service Oriented Biological Processes.- Web Information Retrieval.- Supporting Judgment of Fact Trustworthiness Considering Temporal and Sentimental Aspects.- Improving Mobile Web-IR Using Access Concentration Sites in Search Results.- Can Social Tagging Improve Web Image Search?.- Web Data Integration.- Mashing Up Context-Aware Web Applications: A Component-Based Development Approach.- Correlating Time-Related Data Sources with Co-clustering.- Context-Aware Mashups for Mobile Devices.- A Semantic Overlay for Service Discovery across Web Information Systems.- Queries and Peer-to-Peer Systems.- Filtering Techniques for Rewriting XPath Queries Using Views.- Efficient Top-k Data Sources Ranking for Query on Deep Web.- Optimizing Distributed Top-k Queries.- POEMS: Peer-Based Overload Management.- Web Services.- Improving Web Service Discovery by Using Semantic Models.- BPEL4RBAC: An Authorisation Specification for WS-BPEL.- A Workflow-Based Approach for Creating Complex Web Wrappers.- Miscellaneous.- Contained Rewritings of XPath Queries Using Views Revisited.- Addressing New Concerns in Model-Driven Web Engineering Approaches.- A Web-Based Automated System for Industry and Occupation Coding.