Interactive consulting via natural language
Communications of the ACM
On natural language based computer systems
IBM Journal of Research and Development
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Natural language has evolved to the present point in a way optimally to meet the needs for two-way human communication. This holds both in terms of the general folk argot and the specialized versions of English, German, Japanese, etc. used in scientific, technical and other specialized discourse. Many properties of natural language, such as the frequency distribution of word usage, the use of syntactic nesting, etc. have been much studied in the last twenty years. They seem to serve certain valuable functions in providing a matched communications interface between people, given human's information processing, memory and communicating capabilities. For example, natural language provides adequate redundancy, error detection and correction capabilities, as well as for making best use of limited temporary memory capacity and for enabling communication within limits between individuals with quite different personal memory data bases and cognitive frames of reference.