单词 | parse tree |
释义 | > as lemmasparse tree parse tree n. a branched, diagrammatic, or abstract representation of the syntactic structure of a parsed string or text (in either a programming or a natural language). ΚΠ 1970 S. A. Vere Syntax Directed Transl. of Context Free Lang. (Ph.D. thesis, Univ. of Calif.) Translations of a given node in a parse tree can be a function of any part of the parse tree, both above and below the node. 1985 Austral. Personal Computer Sept. 82/3 The parser builds up a large data structure of all the tokens and various information about each. This structure, often called a ‘parse tree’, is given to the semantic analyser to make sense of. 1992 ICAME Jrnl. Apr. 77 A context-free grammar based on A Grammar of Contemporary English (Quirk et al. 1972) was used to automatically assign full parse trees to the tagged and skeletally structured corpus. 2000 K. Devlin Math Gene vi. 162 The rules for order and agreement vary from language to language, and the actual parse tree that you get will vary from sentence to sentence. < as lemmas |
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