Invited Contributions -- Towards a Unified Model for Web Services Composition -- Peer-to-Peer Data Integration with Active XML -- Query Incentive Networks -- Database and Information Retrieval Techniques for XML -- Regular Contributions -- Implementing a Tamper-Evident Database System -- Ontology Engineering from a Database Perspective -- Retracted: Shared Ontology for Pervasive Computing -- Practical Ontology Systems for Enterprise Application -- Multi-labeled Graph Matching – An algorithm Model for Schema Matching -- Dynamic Hybrid DVE Architecture -- ACB-R: An Adaptive Clustering-Based Data Replication Algorithm on a P2P Data-Store -- TOP-k Query Calculation in Peer-to-Peer Networks -- An Optimistic Fair Protocol for P2P Chained Transaction -- A Practical Approach to Automatic Parameter-Tuning of Web Servers -- Media-Based Presentation with Personalization in a Web-Based eLearning System -- Searching Patterns in Digital Image Databases -- DualRank: A Dual-Phase Algorithm for Optimal Profit Mining in Retailing Market -- Efficient Evaluation of Sibling Relationship in XPath Queries -- Practical Indexing XML Document for Twig Query -- Efficient Stream Organization for Wireless Broadcasting of XML Data -- Using Control Theory to Guide Load Shedding in Medical Data Stream Management System -- Short Papers -- A New Active DDoS Defense System Based on Automatic Learning -- An Equity-Based and Cell-Based Spatial Object Fusion Method -- Research on the Similarity of Constraint Driven Semantic Web Services -- Schema Homomorphism – An Algebraic Framework for Schema Matching -- Dynamic Geospatial Web Services Composition in Peer-to-Peer Networks -- An Approach for Service Discovery Based on Semantic Peer-to-Peer -- Security Concerns for Web Services and Applications -- Modeling Web Services Based on the Bayesian Network -- QoS-Driven Composite Web Services Selection -- Cubing Web Data Based on Multidimensional Arrays -- Mining Correlations Between Multi-streams Based on Haar Wavelet -- Parallel Learning of Bayesian Networks Based on Ordering of Sets -- A Grid Clustering Algorithm Based on Reference and Density -- Systematic Study on Query Expansion -- Relational to XML Schema Conversion with Constraints -- An Extended Mandatory Access Control Model for XML -- A Query Processing Approach Based on Window Semantics in Data Stream System -- A Hybrid Method for Detecting Data Stream Changes with Complex Semantics in Intensive Care Unit -- Three-Level Schema Model in a Web Data Engine -- Resource Integration Framework of Logistics Resource Grid -- General Consistency Management Within the Development of Ontology-Driven Web Information System -- Erratum: Shared Ontology for Pervasive Computing.