# 検索結果における部分一致の理解

**URL:** <https://meta.discourse.org/t/understanding-partial-word-matching-in-search-results/192226>\
**Category:** Feature\
**Created:** [2021 年 5 月 31 日午後 11:43 UTC](https://meta.discourse.org/t/understanding-partial-word-matching-in-search-results/192226 "2021-05-31T23:43:39Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![codinghorror](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/codinghorror/32/110067_2.png) [@codinghorror](https://meta.discourse.org/u/codinghorror)\
**Post date:** [2021 年 6 月 1 日午前 1:07 UTC](https://meta.discourse.org/t/understanding-partial-word-matching-in-search-results/192226/2 "2021-06-01T01:07:28Z")

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これはワードステミング、つまり技術的な検索概念に関連しています。

> **[Stemming](https://en.wikipedia.org/wiki/Stemming)**
>
> In linguistic morphology and information retrieval, stemming is the process of reducing inflected (or sometimes derived) words to their word stem, base or root form—generally a written word form. The stem need not be identical to the morphological root of the word; it is usually sufficient that related words map to the same stem, even if this stem is not in itself a valid root. Algorithms for stemming have been studied in computer science since the 1960s. Many search engines treat words with the ...

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