Natural Language Input for a Computer Problem Solving System

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Massachusetts Institute of Technology., 1964 - Algebra - 258 pages
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The STUDENT problem solving system, programmed in LISP, accepts as input a comfortable but restricted subset of English which can express a wide variety of algebra story problems. STUDENT finds the solution to a large class of these problems. The thesis includes a summary of other English language question-answering systems. The linguistic analysis in STUDENT is a first approximation to the analytic portion of a semantic theory of discourse outlined in the thesis. STUDENT finds the set of kernel sentences which are the base of the input discourse, and transforms this sequence of kernel sentences into a set of simultaneous equations which form the semantic base of the STUDENT system. STUDENT then tries to solve this set of equations for the values of requested unknowns. If it is successful it gives the answers in English. If not, STUDENT asks the user for more information, and indicates the nature of the desired information. The STUDENT system is a first step toward natural language communication with computers. (Author).

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Contents

Chapter Page
7
SEMANTIC GENERATION AND ANALYSIS OF DISCOURSE
22
PROGRAMMING FORMALISMS AND LANGUAGE MANIPULATION
41

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