Invited Papers.- Hyperdatabases: Infrastructure for the Information Space.- DAML+OIL: A Reason-able Web Ontology Language.- Ambient Intelligence: Plenty of Challenges by 2010.- Query Transformation.- An Approach to Integrating Query Refinement in SQL.- Querying with Intrinsic Preferences.- Rewriting Unions of General Conjunctive Queries Using Views.- Data Mining.- Profit Mining: From Patterns to Actions.- Cut-and-Pick Transactions for Proxy Log Mining.- Composition of Mining Contexts for Efficient Extraction of Association Rules.- XML.- Designing Functional Dependencies for XML.- On Efficient Matching of Streaming XML Documents and Queries.- Efficient Complex Query Support for Multiversion XML Documents.- Advanced Query Processing.- Approximate Processing of Multiway Spatial Joins in Very Large Databases.- Indexing Values in Continuous Field Databases.- Efficient and Adaptive Processing of Multiple Continuous Queries.- Moving Objects.- The Geometry of Uncertainty in Moving Objects Databases.- Efficient Indexing of Spatiotemporal Objects.- Dynamic Queries over Mobile Objects.- Industrial and Applications Track-I.- Semantic Analysis of Business Process Executions.- An Introduction to the e-XML Data Integration Suite.- Spatio-temporal Information Systems in a Statistical Context.- Distributed Data.- A Systematic Approach to Selecting Maintenance Policies in a Data Warehouse Environment.- Efficient OLAP Query Processing in Distributed Data Warehouses.- Incremental Maintenance of Schema-Restructuring Views.- Distributed Processing.- Coupling of FDBS and WfMS for Integrating Database and Application Systems: Architecture, Complexity, Performance.- Optimizing Scientific Databases for Client Side Data Processing.- Supporting Efficient Parametric Search of E-Commerce Data: A Loosely-Coupled Solution.- Advanced Querying.- Divide-and-Conquer Algorithm for Computing Set Containment Joins.- Universal Quantification in Relational Databases: A Classification of Data and Algorithms.- Efficient Algorithms for Mining Inclusion Dependencies.- XML-Advanced Querying.- The Index-Based XXL Search Engine for Querying XML Data with Relevance Ranking.- Tree Pattern Relaxation.- Schema-Driven Evaluation of Approximate Tree-Pattern Queries.- Fundamental Query Services.- A Robust and Self-tuning Page-Replacement Strategy for Spatial Database Systems.- Broadcast-Based Data Access in Wireless Environments.- Bridging the Gap between Response Time and Energy-Efficiency in Broadcast Schedule Design.- Estimation/Histograms.- Estimating Answer Sizes for XML Queries.- Selectivity Estimation for Spatial Joins with Geometric Selections.- A Framework for the Physical Design Problem for Data Synopses.- Aggregation.- Temporal Aggregation over Data Streams Using Multiple Granularities.- ProPolyne: A Fast Wavelet-Based Algorithm for Progressive Evaluation of Polynomial Range-Sum Queries.- Aggregate Processing of Planar Points.- Industrial and Applications Track-II.- TDB: A Database System for Digital Rights Management.- Content Schema Evolution in the CoreMedia(R) Content Application Platform CAP.- Gene Expression Data Management: A Case Study.- Demo Paper Track.- With HEART Towards Response Time Guarantees for Message-Based e-Services.- Cobra: A Content-Based Video Retrieval System.- Navigating Virtual Information Sources with Know-ME.- XQuery by the Book: The IPSI XQuery Demonstrator.- The ORDB-Based SFB-501-Reuse-Repository.- Building Dynamic Market Places Using HyperQueries.- The ApproXML Tool Demonstration.- A Database-Supported Workbench for Information Fusion: InFuse.- STYX: Connecting the XML Web to the World of Semantics.- UMiner: A Data Mining System Handling Uncertainty and Quality.- Managing Web Sites with OntoWebber.- Management of Dynamic Location Information in DOMINO.- Situation Aware Mobile Access to Digital Libraries.