Databases and Information Systems IV

This publication contains papers that present original results in business modeling and enterprise engineering, database research, data engineering, data quality and data analysis, IS engineering, Web engineering, and application of AI methods. The contributions are from academics and practitioners from the entire world. The editors hope that the presented results will contribute to the further development of research in the field of databases and information systems. Some topics of this publication are: Data Integration Methods; Data Mining; Data Models and Database Design; Distributed Database Techniques and Interoperability; Domain Ontologies and Concept-Based Search; Information Systems and Security; Data Warehousing, OLAP, and Knowledge Discovery; Information Systems, Mobile Computing, and Agents; Integrated Information Systems; Intelligent Information Agents; Knowledge Representation and Knowledge Engineering; Knowledge Management; Linguistic Components of Information Systems; Logic and Databases; and Metamodels and Model Driven Architecture.