Qualitative Modeling in the Turbojet Engine Domain. - Raman Rajagopalan (AAAI, 1984)

A Model for Integrated Qualitative Spatial and Dynamic Reasoning about Physical Systems. - Raman Rajagopalan (AAAI, 1994)

The Figure Understander: A Tool for the Integration of Text and Graphical Input to a Knowledge Base. - Raman Rajagopalan (ICTAI, 1994)

The Figure Understander: A System for Integrating Text and Diagram Input to a Knowledge Base. - Raman Rajagopalan; Benjamin Kuipers (IEA/AIE, 1994)

Picture Semantics For Integrating Text And Diagram Input. - Raman Rajagopalan (Artif. Intell. Rev., 1996)