Cooperator-Base + Task-Base For Agent Modeling: The Virtual Secretary Approach. - Wen Cao; Cheng-Gang Bian; Gunnar Hartvigsen (Agent Modeling, 1996)

An Efficient Heuristic Search in a Large Multi-Agent System. - Cheng-Gang Bian; Wen Cao; Gunnar Hartvigsen (AAAI/IAAI, 1997)

Achieving Efficient Cooperation in a Multi-Agent System: the Twin-Base Modeling. - Wen Cao; Cheng-Gang Bian; Gunnar Hartvigsen (CIA, 1997)

ViSe2 - An Application of Intelligent Agents Approaching Efficient Cooperation in a Multi-Agent System. - Wen Cao; Cheng-Gang Bian; Gunnar Hartvigsen (SCAI, 1997)

ViSe2 - An Agent-Based Expert Consulting System with Efficient Cooperation. - Cheng-Gang Bian; Wen Cao; Gunnar Hartvigsen (J. Adv. Comput. Intell. Intell. Informatics, 1998)