V2EX named-entity-recognition

Named-Entity Recognition

Definition / 释义

命名实体识别(常缩写为 NER):自然语言处理中的一项任务,用来从文本中自动识别并标注专有名称及其类别,例如人名地名组织机构名时间货币等。(在不同应用中,实体类型集合可能不同。)

Pronunciation / 发音(IPA)

/nemd ntti rknn/

Examples / 例句

Named-entity recognition can find names of people and places in a sentence.
命名实体识别可以在一句话中找出人名和地名。

After running named-entity recognition on the news article, the system tagged “Apple” as an organization and “California” as a location.
对这篇新闻进行命名实体识别后,系统将“Apple”标注为组织机构,将“California”标注为地点。

Etymology / 词源

该术语由三部分构成:named(“被命名的/有名称的”)+ entity(“实体”,在语言学与信息抽取里常指可被单独指称的对象)+ recognition(“识别”)。它在信息抽取与自然语言处理领域中发展起来,用于描述“从文本中识别出具有名称的实体并分类”的过程。

Related Words / 相关词

Literary Works / 文献与作品中的用例

  • Speech and Language Processing(Dan Jurafsky & James H. Martin)在信息抽取与序列标注章节中讨论 NER。
  • Foundations of Statistical Natural Language Processing(Christopher Manning & Hinrich Schütze)涉及命名实体与统计方法相关内容。
  • Natural Language Processing with Python(Steven Bird, Ewan Klein, Edward Loper)在实践型章节中介绍并演示 NER。
  • CoNLL-2003 共享任务论文集(Conference on Computational Natural Language Learning)经典的 NER 基准任务与评测设置来源之一。
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