Coordination Artifacts: Environment-based Coordination for Intelligent Agents (AAMAS 2004, 21/07/2004) — Andrea Omicini (Andrea Omicini, Alessandro Ricci, Mirko Viroli, Cristiano Castelfranchi, Luca Tummolini)

 Environment-Based Coordination Through Coordination Artifacts (paper in proceedings, 2005) — Alessandro Ricci, Mirko Viroli, Andrea Omicini

 Cognitive Stigmergy: Towards a Framework Based on Agents and Artifacts (paper in proceedings, 2007) — Alessandro Ricci, Andrea Omicini, Mirko Viroli, Luca Gardelli, Enrico Oliva

 A Case of Self-Organising Environment for MAS: the Collective Sort Problem (paper in proceedings, 2006) — Matteo Casadei, Luca Gardelli, Mirko Viroli

 Coordination Artifacts: Environment-based Coordination for Intelligent Agents (paper in proceedings, 2004) — Andrea Omicini, Alessandro Ricci, Mirko Viroli, Cristiano Castelfranchi, Luca Tummolini

 Cognitive Stigmergy: A Framework Based on Agents and Artifacts (paper in proceedings, 2006) — Alessandro Ricci, Andrea Omicini, Mirko Viroli, Luca Gardelli, Enrico Oliva