Abstract
The Two-Level Grammar specification language is used as a foundation for constructing queries to database and knowledge-base systems. TLG offers a natural language interface with the added advantages of functional and logic programming languages, specifically the capabilities of 1) processing SQL-like queries in the relational model, 2) constructing complex objects of well-defined type and defining queries over those objects, and 3) formulation of deductive database rules.
Part of this research was carried out while this author was a Visiting Scientist at the IBM Palo Alto Scientific Center, Palo Alto, California, U. S. A.
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© 1992 Springer-Verlag Berlin Heidelberg
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Bryant, B.R., Pan, A. (1992). Two-level grammar: A functional/logic query language for database and knowledge-base systems. In: Voronkov, A. (eds) Logic Programming and Automated Reasoning. LPAR 1992. Lecture Notes in Computer Science, vol 624. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0013050
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DOI: https://doi.org/10.1007/BFb0013050
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