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New Technology of Library and Information Service  2004, Vol. 20 Issue (6): 1-5    DOI: 10.11925/infotech.1003-3513.2004.06.01
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Information Extraction and Its Functions in the Digital Library
Zhang Zhixiong
(Library of Chinese Academy of Science, Beijing 100080, China)
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Abstract  

Information Extraction (IE) is a term which has come to be applied to the activity of automatically extracting pre-specified sorts of information from natural language texts. This paper analyses the basic concept of information extraction, the main research activities on information extraction, the type of information extraction and the system of information extraction. The author believes information extraction will play a very important role in coping with the huge collection of digital information. It can provide helps in automat ic annotation of digital materials, automatic acquisition of metadata, improving data mining in information analysis, developing knowledge base from free text, and generating answers in digital reference system.

Key wordsInformation Extraction(IE)      Message understanding conference      Digital library      Natural language processing     
Received: 08 March 2004      Published: 25 June 2004
ZTFLH: 

G250.76

 
Corresponding Authors: Zhang Zhixiong     E-mail: zhangzhx@mail.las.ac.cn
About author:: Zhang Zhixiong

Cite this article:

Zhang Zhixiong. Information Extraction and Its Functions in the Digital Library. New Technology of Library and Information Service, 2004, 20(6): 1-5.

URL:

https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.1003-3513.2004.06.01     OR     https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2004/V20/I6/1

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