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.