Advances in Database Technology-Edbt 2004: 9th International Conference on Extending Database Technology, Heraklion, Crete, Greece, March 2004: Proceedings

Invited Papers.- Converged A Hidden Challenge for the Web Services Paradigm.- GRIDS, Databases, and Information Systems Engineering Research.- Security and Privacy for Web Databases and Services.- Distributed, Mobile, and Peer-to-Peer Database Systems.- Content-Based Routing of Path Queries in Peer-to-Peer Systems.- Energy-Conserving Air Indexes for Nearest Neighbor Search.- Distributed Processing of Continuously Moving Queries on Moving Objects in a Mobile System.- Data Mining and Knowledge Discovery.- Density Based Distributed Clustering.- Iterative Incremental Clustering of Time Series.- Scalable Clustering of Categorical Data.- Trustworthy Database Systems.- A Framework for Efficient Storage Security in RDBMS.- Beyond 1-Safety and 2-Safety for Replicated Group-Safety.- A Condensation Approach to Privacy Preserving Data Mining.- Innovative Query Processing Techniques for XML Data.- Efficient Query Evaluation over Compressed XML Data.- Querying Compressed XML Using Structural Indexing.- An Efficient Connection Index for Complex XML Document Collections.- Data and Information Management on the Web.- Efficient Distributed Skylining for Web Information Systems.- Query-Customized Rewriting and Deployment of DB-to-XML Mappings.- Supporting Multiscript Matching in Database Systems.- Innovative Modelling Concepts for Spatial and Temporal Databases.- A Model for Ternary Projective Relations between Regions.- Computing and Handling Cardinal Direction Information.- A Tale of Two Creating a Temporal XML Schema from a Snapshot Schema with ?XSchema.- Query Processing Techniques for Spatial Databases.- Spatial Queries in the Presence of Obstacles.- Improving Performance of Nearest-Neighbor Searches Using Histograms.- Clustering Multidimensional Extended Objects to Speed Up Execution of Spatial Queries.- Foundations of Query Processing.- Processing Unions of Conjunctive Queries with Negation under Limited Access Patterns.- Projection Pushing Revisited.- On Containment of Conjunctive Queries with Arithmetic Comparisons.- XPath with Conditional Axis Relations.- Advanced Query Processing and Optimization.- Declustering Two-Dimensional Datasets over MEMS-Based Storage.- Self-tuning UDF Cost Modeling Using the Memory-Limited Quadtree.- Distributed Query Optimization by Query Trading.- Query Processing Techniques for Stream Data.- Sketch-Based Multi-query Processing over Data Streams.- Processing Data-Stream Join Aggregates Using Skimmed Sketches.- Joining Punctuated Streams.- Analysis and Validation Techniques for Data and Schemas.- Using Convolution to Mine Obscure Periodic Patterns in One Pass.- CUBE A File Structure for Hierarchically Clustered OLAP Cubes.- Efficient Schema-Based Revalidation of XML.- Multimedia and Quality-Aware Systems.- Hierarchical In-Network Data Aggregation with Quality Guarantees.- Efficient Similarity Search for Hierarchical Data in Large Databases.- An Approach to Enabling End-to-End QoS for Multimedia Databases.- Indexing Techniques.- On Indexing Sliding Windows over Online Data Streams.- A Framework for Access Methods for Versioned Data.- Management of Highly Dynamic Multidimensional Data in a Cluster of Workstations.- Imprecise Information and Approximate Queries.- Spatiotemporal Compression Techniques for Moving Point Objects.- Non-contiguous Sequence Pattern Queries.- Industrial Papers.- Mining Extremely Skewed Trading Anomalies.- Flexible Integration of Molecular-Biological Annotation The GenMapper Approach.- Demo Papers.- Towards Practical Meta-Querying.- A Framework for Context-Aware Adaptable Web Services.- Aggregation of Continuous Monitoring Queries in Wireless Sensor Networking Systems.- An Event-Based Electronic Chronicle.- Correct Answers of Continuous Queries Using Triggers.- A System for Computing Consistent Answers to a Class of SQL Queries.- An Implementation of P3P Usi