问答系统研究综述

被引:46
作者
毛先领
李晓明
机构
[1] 北京大学信息科学技术学院
关键词
问答系统(QA); 传统问答系统(TQA); 基于社区的问答系统(CQA); 信息检索; 答案抽取;
D O I
暂无
中图分类号
TP393.09 [];
学科分类号
080402 ;
摘要
近年来,问答系统被大量广泛地研究。问答系统的目标是给定一个问题,能够得到简短、精确的答案。根据处理数据的不同,将问答系统分为三类:基于结构化数据的问答系统、基于自由文本的问答系统、基于问题答案对的问答系统。对这三大类系统的特点、面临的问题和相关的研究分别进行了叙述和总结。最后,讨论了问答系统未来可能的研究方向。
引用
收藏
页码:193 / 207
页数:15
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