V2EX stemming

Stemming

Definition / 释义

  1. (常见)源于;由……引起(多用于短语 stem from 的现在分词形式):表示某事“起因来自某处”。
  2. (也常见)遏制;阻止(某事发展):如 stemming the tide“遏制潮流/趋势”。
  3. (计算机/语言学)词干提取:把单词还原到较基础的词干形式(如 running → run)。

Pronunciation / 发音

/stm/

Examples / 例句

The problem is stemming from a lack of training.
这个问题源于培训不足。

Stemming the spread of misinformation requires not only faster fact-checking, but also better media literacy and platform accountability.
遏制虚假信息的传播不仅需要更快的事实核查,还需要更好的媒介素养以及平台的责任机制。

Etymology / 词源

stemming 来自动词 stem(意为“起源于;阻止;(植物)茎/干”等相关概念)加上 -ing 构成的现在分词/动名词形式。stem 的核心意象与“根/干、源头”有关:一方面引申为“从源头而来(stem from)”,另一方面也可引申为“把某事顶住、拦住(stem the flow/tide)”。在信息检索与自然语言处理领域,stemming 又专指“把词形变化还原到词干”。

Related Words / 相关词

Literary Works / 文学作品

  • Introduction to Information Retrieval(Manning, Raghavan & Schütze)讨论信息检索中的 stemming(词干提取)及其影响。
  • Speech and Language Processing(Jurafsky & Martin)在自然语言处理章节中介绍 stemming 与相关预处理方法。
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