The proceedings of the 5th East European Conference on Advances in Databases and Information Systems, cover such topics as multi-media and multilingual information systems, spatio-temporal aspects of databases, data mining, transaction processing, conceptual modelling and active databases.

Invited Papers.- Ubiquitous Web Applications.- From Workflows to Service Composition in Virtual Enterprises.- Subject-Oriented Work: Lessons Learned from an Interdisciplinary Content Management Project.- Regular Papers.- Query Optimization through Removing Dead Subqueries.- The Impact of Buffering on Closest Pairs Queries Using R-Trees.- Enhancing an Extensible Query Optimizer with Support for Multiple Equivalence Types.- Regular Papers.- Information Sources Registration at a Subject Mediator as Compositional Development.- Extracting Theme Melodies by Using a Graphical Clustering Algorithm for Content-Based Music Information Retrieval.- A Multilingual Information System Based on Knowledge Representation.- Regular Papers.- Capturing Fuzziness and Uncertainty of Spatiotemporal Objects.- Probability-Based Tile Pre-fetching and Cache Replacement Algorithms for Web Geographical Information Systems.- Regular Papers.- Optimizing Pattern Queries for Web Access Logs.- Ensemble Feature Selection Based on Contextual Merit and Correlation Heuristics.- Interactive Constraint-Based Sequential Pattern Mining.- Regular Papers.- Evaluation of a Broadcast Scheduling Algorithm.- An Architecture for Workflows Interoperability Supporting Electronic Commerce.- Object and Log Management in Temporal Log-Only Object Database Systems.- Regular Papers.- Operations for Conceptual Schema Manipulation: Definitions and Semantics.- Object-Oriented Database as a Dynamic System with Implicit State.- The Use of Aggregate and Z Formal Methods for Specification and Analysis of Distributed Systems.- Regular Papers.- Detecting Termination of Active Database Rules Using Symbolic Model Checking.- Regular Papers.- A Data Model for Flexible Querying.- The Arc-Tree: A Novel Symmetric Access Method for Multidimensional Data.- Evaluation of Join Strategies for Distributed Mediation.- Regular Papers.- An RMM-Based Methodology for Hypermedia Presentation Design.- Efficiently Mapping Integrity Constraints from Relational Database to XML Document1.- A Web-Based System for Handling Multidimensional Information through MXML.- Regular Papers.- An Abstract Database Machine for Cost Driven Design of Object-Oriented Database Schemas.