Titlebook: Logic Grammars; Harvey Abramson,Veronica Dahl Book 1989 Springer Science+Business Media New York 1989 Prolog.artificial intelligence.compu

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k introduces the main concepts involving natural and formal language processing in logic programming, and discusses typical problems which the reader may encounter, proposing various methods for solving them. The basic material is presented in depth; advanced material, involving new logic grammar fo

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Developing a Logic Grammar for a Formal Application problem of developing logic grammars for formal or programming languages. Many of the techniques used in the natural language applications are of course applicable. We begin with a grammar for logic programs; in a later chapter we consider a compiler for a simple traditional style programming language.

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Modifier Structure Grammarsp of semantic structure. Both features were introduced in joint research with McCord (Dahl and McCord 1983), which was motivated by treating coordination (constructions with “and”, “or”, “but”, etc.) in a metagrammatical fashion.

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Further Expressive Power—Discontinuous Grammars with the added flexibility that unidentified strings of constituents can be referred to (usually through a pseudo-symbol skip(.), where . stands for the skipped substring), to be repositioned, copied, or deleted at any position. They do not need to obey, as do XG’s, any nesting constraints.

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Building StructureSeveral variants of logic grammars have been proposed lately, sometimes motivated by ways of solving particular natural or formal language processing problems, sometimes by the need of providing easier or more general ways of processing grammars.