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IBM Journal of Research and Development  
Volume 22, Number 5, Page 533 (1978)
IBM Scientific Centers
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Noun-Phrase Model and Natural Query Language

by M. Sibuya, T. Fujisaki, Y. Takao
Basic considerations in designing a natural data base query language system are discussed. The notion of the noun-phrase data model is elaborated, and its role in making a query system suitable for general use is stressed. An experimental query system, Yachimata, embodying the concept, is described.
Related Subjects: Compilers and interpreters; Data, structures and accessing; Programming, programs, and programming languages