context free grammar是什么意思

网络释义

用法例句

A method of judging similarity and equivalence in context-free grammar;

对上下文无关文法中的非终止符的相似性和等价性的判定

The parallel conversion of special context-free grammars to FA;

特殊的上下文无关文法与有限自动机转换的并行处理

It is proved constructly that there is a polynomial algorithm which,given a context-free grammar G and a string x,decides whether x∈L(G).

在形式语言中通过Chomsky范式“标准化”上下文无关文法,从而构造性地证明了:给定一上下文无关文法G=(V,∑,R,S)和一字符串x,必存在多项式算法确定是否x∈L(G)。

, IEC61970 and IEC61980, the descriptions of their models and the context free grammar corresponding to model transduction specifications are respectively given, thus the formalization of model description is implemented.

文章针对电力系统2个重要的建模标准IEC 61970和IEC 61850,分别给出其模型表示和模型交换规范相应的上下文无关文法,实现了模型描述的形式化。

Test adequacy criterion of context free grammar was formally defined and a family of grammar testing criteria was proposed.

形式化地定义了上下文无关文法的测试充分性准则 ,提出了一个上下文无关文法的测试充分性准则族 。

After improving context free grammar, we develop the indeterminate syntax from the semantic information extracted from the analyzed part.

对上下文无关文法作了改进，改进后的方法能在语法分析的过程中利用已分析部分的语义信息，得出待分析部分未确定的语法结构，使其可用于处理复杂的半结构化数据。

All kinds of arithmetic based on the theory of context-free grammars is mature,how to analyze simple nominal phrase using arithmetic based on context-free grammars in self-feeding back NLU.

上下文无关文法理论成熟,以及基于其的各种算法也比较成熟。

On the basis of the formalizable characteristic of music rhythm,a probabilistic context free grammar(PCFG) system was defined to describe the relatively independent music rhythm elements.

基于音乐节奏本身具有可被形式化的特性,定义了一个概率上下文无关文法(PCFG)系统来描述相对独立的音乐节奏元素。

A method for automatic grammar inference based on sentence segmentation is proposed in this paper, which adopts a type of enhanced context free grammar for Chinese spoken language.

本文针对一种面向汉语口语的上下文无关增强文法,提出了一种基于句子分割的文法自动推导算法。

Automatic grammar inference method based on sentence segmentation was developed based on an enhanced context free grammar for spoken Chinese.

该文针对一种面向汉语口语的上下文无关增强文法,提出了一种基于句子分割的文法自动推导算法。

restricted context-free grammar

受限上下文无关文法

deterministic context-free grammar

确定性上下文无关文法

context-free grammar recognizer

上下文无关文法识别程序

Computing with Words via Lattice-Valued Context-Free Grammar

格值上下文无关文法对基于词的计算

A Chinese Parser Based on Probabilistic Context Free Grammar

一种基于概率上下文无关文法的汉语句法分析

Context-free Grammar Most Left inferential Reasoning C Languagerealization;

上下文无关文法最左推导的C语言实现

Researches on PCFG-Based Parsing Method for Chinese Language

基于概率上下文无关文法的汉语句法分析方法研究

Proposes the context-free grammar model for GEP.

(3)对基因表达式编程建立了上下文无关文法模型。

The parallel conversion of special context-free grammars to FA;

特殊的上下文无关文法与有限自动机转换的并行处理

deterministic context-free language

确定性上下文无关语言

(2)If either set is regular and the other is a CFL, then the infinite quotient is a CFL.

②上下文无关语言对正则集的无穷次商仍是上下文无关语言。

context-free phrase structure rule

上下文无关短语结构规则

Cannot map path without full request context

在没有完全请求上下文的情况下，无法映射路径

X-id is an identifier with no context-dependent meaning (e.g. qualified-id).

某标识表示上下文无关的标识符（比如限定标识）。

Generating Sentences of CFL Based on Partition of CFG Production Set

基于产生式集划分的上下文无关语言句子生成

Error, unable to obtain the default naming context from the Primary Domain Controller:

错误，无法从主域控制器获得默认命名上下文:

Cannot set the key provider information for the certificate context:

无法为证书上下文设置密钥提供程序信息:

Cannot access non-static member '{0}' in a static context

无法在静态上下文中访问非静态成员“{0}”