This book constitutes the refereed proceedings of the Second International Workshop on Intelligent Agents for Telecommunication Applications, IATA'98, held in Paris, France, in July 1998, in conjunction with the 1998 Agents World Conference.
The book presents 17 revised full papers carefully selected for inclusion in the volume. The book is divided into topical sections on network architecture, network configuration and planning, network optimization, network management, agent-based architectures for service applications.

This book constitutes the refereed proceedings of the 9th European Workshop on Modelling Autonomous Agents in a Multi-Agent World, MAAMAW'99, held in Valencia, Spain in June/July 1999.
The 18 revised full papers presented were carefully reviewed and selected for inclusion in the book. The papers are organized in sections on engineering aspects of multi-agent systems, multi-agent systems frameworks, languages and protocols, negotiation and cooperation, and formal methods.