信息抽取技术及其在数字图书馆中的应用前景

A Prospect Analysis of the Application of Information Extraction in Digital Libraries

信息抽取的目标是自动从文本信息中抽取出预先想要得到的信息(知识),它提供了一条从浩瀚信息堆积中抽取出与用户相关信息的一条思路。本文分析了信息抽取的主要概念、信息抽取的现状及类型,提出了在数字图书馆的建设中,信息抽取技术在数字内容的自动标引、数据获取、数据挖掘、情报研究分析、参考咨询等方面发挥重要的作用。

The aim of information extraction is to automatically get expected knowledge from texts, which provides a new method for users to get useful information easily. This article first analyses the main concepts of information extraction, the current situation and types of information extracti construction of digital libraries, information extraction technology can play sigi of digital content, data acquirement, data mining, information research, and on, nifi then puts forward that in the cant role in automatic indexing information consultation.