Using IS-A relation patterns for factoid questions in Question Answering systems

被引：0
|
作者：
Shim, Bojun [1 ]
Ko, Youngjoong
Seo, Jungyun
机构：
[1] Diquest Inc, Seoul, South Korea
[2] Dong A Univ, Dept Comp Engn, Intelligent Syst Lab, Pusan 604714, South Korea
[3] Sogang Univ, Dept Comp Sci, NLP Lab, Seoul 121742, South Korea
[4] Sogang Univ, Interdisciplinary Program Integrated Biotechnol, Seoul 121742, South Korea
来源：
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS | 2006年 / E89D卷 / 12期
关键词：
information retrieval; Question Answering system; IS-A relation pattern; factoid question;
D O I：
10.1093/ietisy/e89-d.12.2985
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper describes a flexible strategy to generate candidate answers for factoid questions in Question Answering (QA) systems. Most QA systems have predefined the conceptual categories for candidate answers. But if the conceptual category of answers to any question is not prepared in the QA system, it is hard to extract correct answers to that question. Therefore, we propose an extraction method for IS-A relation patterns which describe relations between the nominal target concepts of question and candidate answers. The extracted IS-A relation patterns can be used for questions with an unexpected target concept.
引用
收藏
页码：2985 / 2989
页数：5
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