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IEICE TRANSACTIONS on Information

Question Answering as Abduction: A Feasibility Study at NTCIR QAC1

Yutaka SASAKI

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Summary :

This paper presents a Japanese Question Answering (QA) system based on a "Question Answering as Abduction" perspective. This perspective regards QA as the process of abductively explaining why a question is true based on logical contents of appropriately described textual information. This perspective is strongly inspired by Jerry Hobbs et al.'s "Interpretation as Abduction". It is also a simple conceptualization of Harabagiu et al.'s logic based QA system. We reify this concept in our QA system called SAIQA-Is. This system was designed to output only most likely answer candidates to a question. This system was participated in NTCIR QAC1. SAIQA-Is provided very good results in Task 2 and Task 3 of the QAC experiments. This results demonstrated strong feasibility and high potential of our Question Answering as Abduction approach.

Publication
IEICE TRANSACTIONS on Information Vol.E86-D No.9 pp.1669-1676
Publication Date
2003/09/01
Publicized
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Type of Manuscript
Special Section PAPER (Special Issue on Text Processing for Information Access)
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