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| by Daniel G. Bobrow in Text recognition (1964) |
The aim of the research reported here was to discover methods for building computer programs which can understand and communicate with people in a non-trivial subset of English. A computer program understands a subset of English if it accepts input sentences which are members of this subset, and answers questions based on information contained in the input. We describe in this paper a semantic theory of discourse, and utilize a first approximation to the analytical... Read more
| by Berthrand Raphael in Cognition (1964) |
SIR is a computer system, programmed in the LISP language, which accepts information and answers questions expressed in a restricted form of English. This system demonstrates what can reasonably be called an ability to "understand" semantic information. SIR's semantic and deductive ability is based on the construction of an internal model, which uses word associations and property lists, for the relational information normally conveyed in conversational statements. A format-matching procedure extracts semantic content from English... Read more
