A commented version of part of it is in Shapiro, Stuart C., & Rapaport, William J. (1987), "SNePS Considered as a Fully Intensional Propositional Semantic Network", in Nick Cercone & Gordon McCalla (eds.), The Knowledge Frontier: Essays in the Representation of Knowledge (New York: Springer-Verlag): 262-315;
A different Cassie conversation, with more detail on the natural-language processing and knowledge representation, appears in:
For more information on the Cassie projects, see: