Held in Italy in September. Papers of interest:

Interactive Integration of Information Agents on the Web
CoWing: A Collaborative Bookmark Management System
Context Aware Agents for Personal Information Services
Decision Trees for Multiple Abstraction Levels of Data
Supporting Information Integration with Autonomous Agents
Domain-Independent Ontologies for Cooperative Information Agents
Arms Race within Information Ecosystems
Information Agents: The Social Nature of Information and the Role of Trust
Ontology Negotiation as a Basis for Opportunistic Cooperation between Intelligent Information Agents