A Qualitative Approach to Mechanical Constraint. - Paul Nielsen (AAAI, 1988)

A Qualitative Approach to Rigid Body Mechanics - Paul Nielsen (1988)

Real-time temporal and causal reasoning for intelligent control. - Eckart Walther; Vivek V. Badami; James B. Comly; Paul Nielsen; Van-Duc Nguyen (IEA/AIE (1), 1989)

Qualitative Spatial Reasoning: The Clock Project. - Kenneth D. Forbus; Paul Nielsen; Boi Faltings (Artif. Intell., 1991)

An intelligent controller for process automation. - Vivek V. Badami; Paul Nielsen; James B. Comly (J. Intell. Robotic Syst., 1991)

Hybrid Multi-agent Systems: Integrating Swarming and BDI Agents. - H. Van Dyke Parunak; Paul Nielsen; Sven Brueckner; Rafael Alonso (ESOA, 2006)