V2EX nearest-neighbor search

Nearest-neighbor Search

释义 Definition

“最近邻搜索 / 近邻搜索”:在一组数据点中,给定一个查询点,找出与它距离最近的一个或多个点(最近邻)。常用于相似度检索、推荐系统、聚类预处理、信息检索与机器学习(如 k-NN)。

例句 Examples

Nearest-neighbor search helps me find the most similar image in a database.
最近邻搜索能帮我在数据库里找到最相似的图片。

To speed up nearest-neighbor search in high-dimensional data, engineers often use approximate methods instead of checking every point.
为了加速高维数据的最近邻搜索,工程师常用近似方法,而不是对每个点都逐一比较。

发音 Pronunciation (IPA)

/nrst nebr st/

词源 Etymology

该术语由三部分构成:nearest(最近的)+ neighbor(邻近者/邻居,引申为“附近的数据点”)+ search(搜索)。在计算机科学与统计学习中,“neighbor(邻居)”常被用来表示在某种距离度量下“靠近”的样本,因此形成固定搭配“nearest-neighbor”。

相关词 Related Words

文献与作品 Literary Works

  • Introduction to Information Retrieval(Manning, Raghavan, Schütze):在向量空间检索与相似度计算语境中讨论近邻/相似搜索相关概念。
  • Pattern Classification(Duda, Hart, Stork):在分类方法章节中涉及最近邻思想与相关搜索问题。
  • The Elements of Statistical Learning(Hastie, Tibshirani, Friedman):在非参数方法与近邻思想相关内容中出现该术语或紧密相关表述。
  • Mining of Massive Datasets(Leskovec, Rajaraman, Ullman):在大规模相似检索与近似方法章节中讨论近邻搜索及其工程化实现。
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