Session I: March 18, 2004, Heraklion, Crete, Greece.- Querying Sliding Windows Over Online Data Streams.- MIRA: Multilingual Information Processing on Relational Architecture.- Index-Based Keyword Search in Mediator Systems.- Concept-Based Search on Semi-structured Data Exploiting Mined Semantic Relations.- Distributed and Scalable Similarity Searching in Metric Spaces.- Pattern Based Management: Data Models and Architectural Aspects.- Managing Dynamic Repositories for Digital Content Components.- Semantic Web Recommender Systems.- Session II: March 29, 2004, Boston, MA, USA.- Trust Negotiation Systems.- Continuous Query Processing in Spatio-Temporal Databases.- Load Distribution for Distributed Stream Processing.- XML Query Processing and Optimization.- An Access Structure for Similarity Search in Metric Spaces.- Incremental Read-Aheads.- RAM: A Multidimensional Array DBMS.- Handling Inconsistencies in Data Warehouses.- Data Sharing and Querying for Peer-to-Peer Data Management Systems.- Relevance Feedback in XML Retrieval.- Database Technologies for Handling XML-Information on theWeb (DataX).- XML Challenges for the Database Community: Past, Present, and Future.- L-Tree: A Dynamic Labeling Structure for Ordered XML Data.- Implementation of XPath Axes in the Multi-dimensional Approach to Indexing XML Data.- Dynamic Range Labeling for XML Trees.- FliX: A Flexible Framework for Indexing Complex XML Document Collections.- A Statistical Approach for XML Query Size Estimation.- Summarizing XML Data by Means of Association Rules.- Prune XML Before You Search It: XML Transformations for Query Optimization.- Keeping Pace with Evolving XML-Based Specifications.- Knowledge Management Framework for the Collaborative Distribution of Information.- XML-Based Revocation andDelegation in a Distributed Environment.- Using a Transcode and Prefetch Method for Playing XML Contents Containing Multiple Multimedia Data on Mobile Terminals.- What's Next in XML and Databases?.- Modeling Contextual Information Using Active Data Structures.- Context- and Situation-Awareness in Information Logistics.- An Indexing Scheme for Update Notification in Large Mobile Information Systems.- A Mobile Agents Based Architecture for the Distributed Processing of Continuous Location Queries in a Wireless Environment: Performance Evaluation.- Improving Usability of Location-Based Services with User-Centric Data Querying.- MITOS: A Smart Spaces System for Pervasive Computing.- Service Allocation in Selfish Mobile Ad hoc Networks Using Vickrey Auction.- Engineering Incentive Schemes for Ad hoc Networks.- The Case for Mobile OLAP.- Peer-to-Peer Computing and Databases (P2P&DB).- On Constructing Small Worlds in Unstructured Peer-to-Peer Systems.- SPROUT: P2P Routing with Social Networks.- A Simulation Framework for Schema-Based Query Routing in P2P-Networks.- A Distributed Algorithm for Robust Data Sharing and Updates in P2P Database Networks.- XPeer : A Self-Organizing XML P2P Database System.- Bit Zipper Rendezvous Optimal Data Placement for General P2P Queries.- Query Answering in Peer-to-Peer Data Exchange Systems.- Semantic Query Routing and Processing in P2P Database Systems: The ICS-FORTH SQPeer Middleware.- Query Processing in Super-Peer Networks with Languages Based on Information Retrieval: The P2P-DIET Approach.- A Query-Adaptive Partial Distributed Hash Table for Peer-to-Peer Systems.- P2PR-Tree: An R-Tree-Based Spatial Index for Peer-to-Peer Environments.- Clustering Information Over theWeb (ClustWeb).- Web Data Protection: Principles and ResearchIssues.- Clustering Structured Web Sources: A Schema-Based, Model-Differentiation Approach.- Clustering XML Documents Using Structural Summaries.- A Scalable Randomized Method to Compute Link-Based Similarity Rank on the Web Graph.- A Framework for Cluster Management.- Di?eminator: A Profile-Based Selective Dissemination System for XML Documents.- Query Recommendation Using Query Logs in Search Engines.- An Overview of Web Data Clustering Practices.
