Paraphrasing Using Given and New Information in a Question-Answer System
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Abstract
The design and implementation of a paraphrase component for a natural language question-answer system (CO-OP) is presented. A major point made is the role of given and new information in formulating a paraphrase that differs in a meaningful way from the user's question. A description is also given of the transformational grammar used by the paraphraser to generate questions.
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1980-08-01
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University of Pennsylvania Department of Computer and Information Science Technical Report No. MS-CIS-80-13.