隼鹰 发表于 2025-3-28 15:55:00
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Bottom Up Parsinggrammar specifies how strings of the language are generated or analyzed. Up until now we have used a top-down (with respect to the parse tree) procedural reading for our logic grammars: grammar rules are compiled to Prolog clauses which analyze or generate sentences starting from the root of the par无情 发表于 2025-3-29 02:00:07
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What Are Logic Grammars?ence. A sequence of terminals takes the form of a Prolog list. Nonterminals indicate constituents. In this text, they take the form of a Prolog structure, where the functor names the category of the constituent and the arguments give information like number class, meaning etc.cultivated 发表于 2025-3-29 08:10:36
Basic Types of Logic Grammarschapters 7, 8, and 9. From a theoretical point of view, the power of the types of grammars we shall introduce is similar in that they can all serve to describe type-0 languages. From a practical point of view, however, their expressive possibilities differ.内阁 发表于 2025-3-29 13:01:15
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Introduction and Historic Overviewnation evolved in directions typical of the context of logic and of logic programming. In the formal language area, logic grammars have been used for implementing recognizers and compilers, also with good results, particularly in the conciseness of the systems obtained.大骂 发表于 2025-3-29 23:19:56
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Other Formalismsause Translation Grammars which do. The portion of the Restriction Grammar that is not context-free is specified by “restrictions” on the structure of the parse tree, rather than by augmentation of the nonterminal symbols with extra arguments as in Definite Clause Grammars.evanescent 发表于 2025-3-30 04:18:21
Book 1989es 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 formalisms a