问答系统研究综述  

A Survey on Question and Answering Systems

作　　者：毛先领[1] 李晓明[1] 

机构地区：[1]北京大学信息科学技术学院,北京100871

出　　处：《计算机科学与探索》2012年第3期193-207,共15页Journal of Frontiers of Computer Science and Technology

基　　金：国家自然科学基金No.60933004~~

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。Recently, question and answering systems have attracted lots of attention. Given a question, the goal of question and answering is to return a concise, exact answer. According to the format of data, question and answering can be divided into three categories： the structural data based question and answering, the free-text based question and answering, the question-answer pairs based question and answering. This paper describes and summarizes the characteristics and related researches of these three categories respectively. Then, it discusses the future work of question and answering.

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 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]