【摘要】 信息抽取研究旨在为人们提供更有力的信息获取工具,以应对信息爆炸带来的严峻挑战。本文分析了信息抽取的概念、类型与方法,提出了信息抽取技术在数字图书馆中的几个应用领域。更多还原

【Abstract】 The research on information extraction aims at providing people with more powerful information acquisition tools to meet the severe challenges brought forth by information explosion.This paper mainly analyzes the concept,type and method of information extraction.It also puts forward some ideas about the application of information extraction technologies in digital libraries.更多还原