This is an implementation of Conceptual Analyzer, a program described by Birnbaum and Selfridge in their paper "Conceptual Analysis of Natural Language" published in Schank and Riesbeck's 1979 book "Inside Computer Understanding."
I put this implementation together from the notes, code samples, and assignments given in Charles Martin's class on Natural Language Processing that I took at the University of Chicago in the early 90's.
A quick readme can be downloaded from here.
The zip archive with the source code and documentation can be downloaded from here.
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