命名实体识别综述

Survey of Named Entity Recognition

互联网的普及和发展,信息资源得到极大的丰富,同时也造成信息过载的问题。人们迫切需要快速准确地获取信息的技术方法,信息抽取技术就应运而生。命名实体识别作为信息抽取的一个子任务被提出,受到国内外学者的重视,并进行一系列研究。探讨命名实体的概念和意义,对现有的命名实体识别研究进行总结归纳。

With the growing popularity and development of the Internet, information resources have been greatly enriched, but also result in information overload problem. For people＇s need of technical method that can find out information fast and accurately, information extraction technology is brought into being. Information extraction is presented as a subtask; named entity recognition is attaehed great importanee. A series of studies are doing by scholars. Discusses the concept and significance of named entity, and gives a summary to named entity recognition.