V2EX parse tree

Parse Tree

释义 Definition

解析树;句法分析树:在语言学与计算机科学中,用树状结构表示一个句子(或表达式)的语法结构,展示各成分之间的层级关系与组合方式。(在编译器中也常指表达式的语法结构树。)

发音 Pronunciation (IPA)

/prs tri/ (BrE), /prs tri/ (AmE)

例句 Examples

The parse tree shows how the sentence is structured.
解析树展示了这个句子的结构。

After running the parser, we inspected the parse tree to verify that the subordinate clause attached to the correct noun phrase.
运行句法分析器后,我们检查了解析树,以确认从句是否正确地附着在目标名词短语上。

词源 Etymology

parse 源自拉丁语 pars(“部分”)相关的词根,经由法语与中世纪拉丁语演变,含义发展为“把句子拆分并分析其语法成分”;tree 用来比喻层级分支的结构。合起来 parse tree 就是“把结构分析结果用树形层级表示出来”的意思。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Noam Chomsky《Syntactic Structures》:在讨论生成语法与句法结构表示时,常以树状结构(即 parse tree 的概念)展示句子成分关系。
  • Daniel Jurafsky & James H. Martin《Speech and Language Processing》:系统讲解句法分析(parsing),并大量使用 parse tree 来说明成分结构与解析算法。
  • Christopher D. Manning & Hinrich Schütze《Foundations of Statistical Natural Language Processing》:在统计句法与解析任务中频繁使用 parse tree 作为核心表示。
  • Alfred V. Aho, Monica S. Lam, Ravi Sethi, Jeffrey D. Ullman《Compilers: Principles, Techniques, and Tools》(“龙书”):在编译原理中用语法分析树(parse tree)说明上下文无关文法与语法分析过程。
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