Advanced Information Systems.- Security Management Through Overloading Views.- Paradigms for Decentralized Social Filtering Exploiting Trust Network Structure.- A Necessary Condition for Semantic Interoperability in the Large.- Information Mining.- Mining the Meaningful Compound Terms from Materialized Faceted Taxonomies.- Heuristic Strategies for Inclusion Dependency Discovery.- Taming the Unstructured: Creating Structured Content from Partially Labeled Schematic Text Sequences.- Querying.- A Global-to-Local Rewriting Querying Mechanism Using Semantic Mapping for XML Schema Integration.- Querying Articulated Sources.- Learning Classifiers from Semantically Heterogeneous Data.- Ontology Processing.- A General Method for Pruning OWL Ontologies.- Finding Compromises Between Local and Global Ontology Querying in Multiagent Systems.- Aligning Ontologies and Evaluating Concept Similarities.- Multimedia.- EMMA – A Query Algebra for Enhanced Multimedia Meta Objects.- Ontology for Nature-Scene Image Retrieval.- Semantic Web Services.- Comparing Approaches for Semantic Service Description and Matchmaking.- On Managing Changes in the Ontology-Based E-government.- XML Processing.- CLP(Flex): Constraint Logic Programming Applied to XML Processing.- VSM: Mapping XML Document to Relations with Constraint.- Distributed Objects and Applications (DOA) 2004 International Conference.- DOA 2004 International Conference (Distributed Objects and Applications) PC Co-Chairs’ Message.- Keynote.- Cooperative Artefacts.- Performance.- Performance Evaluation of JXTA Rendezvous.- CORBA Components Collocation Optimization Enhanced with Local ORB-Like Services Support.- Late Demarshalling: A Technique for Efficient Multi-language Middleware for Embedded Systems.- Quality of Service.- Implementing QoS Aware Component-Based Applications.- A Framework for QoS-Aware Model Transformation, Using a Pattern-Based Approach.- Component-Based Dynamic QoS Adaptations in Distributed Real-Time and Embedded Systems.- Adaptation.- Dynamic Adaptation of Data Distribution Policies in a Shared Data Space System.- TRAP/J: Transparent Generation of Adaptable Java Programs.- Application Adaptation Through Transparent and Portable Object Mobility in Java.- An Infrastructure for Development of Dynamically Adaptable Distributed Components.- Mobility.- satin: A Component Model for Mobile Self Organisation.- Caching Components for Disconnection Management in Mobile Environments.- SPREE: Object Prefetching for Mobile Computers.- Class Splitting as a Method to Reduce Migration Overhead of Mobile Agents.- Replication.- Eager Replication for Stateful J2EE Servers.- Active Replication in CORBA: Standards, Protocols, and Implementation Framework.- A Framework for Prototyping J2EE Replication Algorithms.- Scalability.- A Distributed and Parallel Component Architecture for Stream-Oriented Applications.- An Architecture for Dynamic Scalable Self-Managed Persistent Objects.- GRIDKIT: Pluggable Overlay Networks for Grid Computing.- Components.- Enabling Rapid Feature Deployment on Embedded Platforms with JeCOM Bridge.- Checking Asynchronously Communicating Components Using Symbolic Transition Systems.- Configuring Real-Time Aspects in Component Middleware.- Events and Groups.- Programming Abstractions for Content-Based Publish/Subscribe in Object-Oriented Languages.- A Practical Comparison Between the TAO Real-Time Event Service and the Maestro/Ensemble Group Communication System.- Evaluation of a Group Communication Middleware for Clustered J2EE Application Servers.- Ubiquity and Web.- A Mobile Agent Infrastructure for QoS Negotiation of Adaptive Distributed Applications.- Model-Driven Dependability Analysis of WebServices.- Dynamic Access Control for Ubiquitous Environments.