This book constitutes the refereed proceedings of the 6th International Conference on Flexible Query Answering Systems, FQAS 2004, held in Lyon, France in June 2004.The 35 revised full papers presented together with 3 invited papers were carefully reviewed and selected from more than 100 submissions.The papers are organized in topical sections on knowledge representation; knowledge discovery and .

These are the refereed proceedings of the 5th International Conference on Flexible Query Answering Systems, FQAS 2002, held in Copenhagen, Denmark, in October 2002.

Covers the proceedings of the First European Conference on Intelligence and Security Informatics, EuroISI 2008, held in Esbjerg, Denmark. This book includes such topics as criminal and social network analysis, intelligence analysis and knowledge discovery, Web-based intelligence monitoring and analysis, privacy protection, and access control.

Constitutes the proceedings of the 7th International Conference on Flexible Query Answering Systems, FQAS 2006, held in Milan, Italy in June 2006. This book presents papers that are organized in topical sections on flexibility in database management and querying, information retrieval and filtering, knowledge and data extraction, and more.