V2EX maximum matching

Maximum Matching

Definition / 释义

maximum matching:在不同领域有两种常见用法:

  1. 图论/算法:指在图中选出尽可能多、且彼此不共享端点的边的集合(匹配),其规模最大的称为“最大匹配”(常见于二分图)。
  2. 自然语言处理/分词:指“最大(最长)匹配法”,一种贪心策略:每一步尽量匹配最长的词或片段来进行切分。

Pronunciation / 发音(IPA)

/mksmm mt/

Examples / 例句

We used maximum matching to segment the Chinese sentence.
我们用最大匹配法来对这句中文进行分词。

In a bipartite graph, maximum matching can be computed efficiently with the HopcroftKarp algorithm.
在二分图中,可以用 HopcroftKarp 算法高效地计算最大匹配。

Etymology / 词源

maximum 来自拉丁语 maximus(“最大的”);matching 来自 match(“配对、匹配”)加上 -ing 构成名词,表示“匹配这一过程/结果”。合起来即“达到最大规模的匹配”,在算法语境中逐渐固定为术语。

Related Words / 相关词

  • Bipartite Graph
  • Matching
  • Maximum Flow
  • Greedy Algorithm
  • Word Segmentation
  • Tokenization
  • Longest Match
  • HopcroftKarp Algorithm
  • Hungarian Algorithm
  • Literary Works / 文学与典籍中的用例

    (该词组更常见于教材与学术著作而非文学作品中。)常见出处包括:

    • Introduction to Algorithms(CLRS,《算法导论》):图算法章节中讨论匹配/最大匹配等相关概念与问题。
    • Algorithm Design(Kleinberg & Tardos,《算法设计》):涵盖二分图匹配等经典算法思想与应用。
    • Speech and Language Processing(Jurafsky & Martin,《语音与语言处理》):在分词/标注等任务的背景下会提及“最长匹配/最大匹配”类方法与对比思路。
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