Next Generation Information Technologies and Systems

Full Papers.- Efficiently Updating Cost Repository Values for Query Optimization on Web Data Sources in a Mediator/Wrapper Environment.- TupleRank: Ranking Discovered Content in Virtual Databases.- Next-Generations Applications.- Analysis of Queries Reaching SHIL on the Web - An Information System Providing Citizen Information.- On Mediated Search of the United States Holocaust Memorial Museum Data.- A Repository of Services for the Government to Businesses Relationship.- Information Systems Development.- Towards Automatic Integration of Persistency Requirements in Enterprise-Systems - The Persistent-to-Persistent Patterns.- Consistency of UML Class Diagrams with Hierarchy Constraints.- A Framework-Based Design for Supporting Availability of Layered Distributed Applications.- Security and Privacy.- Web Application Security Gateway with Java Non-blocking IO.- Microaggregation for Database and Location Privacy.- Efficient Caching Strategies for Gnutella-Like Systems to Achieve Anonymity in Unstructured P2P File Sharing.- Semi-structured Data.- Conjunctive Queries over DAGs.- Incrementally Computing Ordered Answers of Acyclic Conjunctive Queries.- Count-Constraints for Generating XML.- Frameworks, Models and Taxonomies.- A Data Model for Music Information Retrieval.- A Taxonomy and Representation of Sources of Uncertainty in Active Systems.- Analyzing Object-Oriented Design Patterns from an Object-Process Viewpoint.- Simulation and Incremental Computing.- Modeling and Simulation of Grid Information Service.- Simulations of Distributed Service-Based Content Adaptation for Network Optimization.- Distributed Systems.- Second Order Snapshot-Log Relations: Supporting Multi-directional Database Replication Using Asynchronous Snapshot Replication.- The Replica Management for Wide-Area Distributed Computing Environments.- Developing Parallel Cell-Based Filtering Scheme Under Shared-Nothing Cluster-Based Architecture.- User Oriented Design.- How Deep Should It Be? Onthe