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Complex answers: a case study using a WWW question answering system

Published online by Cambridge University Press:  14 February 2002

S. BUCHHOLZ  and
W. DAELEMANS
S. BUCHHOLZ
Affiliation:
ILK Computational Linguistics, Tilburg University, The Netherlands e-mail: s.buchholz@kub.nl
W. DAELEMANS
Affiliation:
ILK Computational Linguistics, Tilburg University, The Netherlands e-mail: s.buchholz@kub.nl CNTS Language Technology Group, University of Antwerp, Belgium e-mail: walter.daelemans@uia.ua.ac.be
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Abstract

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We investigate the problem of complex answers in question answering. Complex answers consist of several simple answers. We describe the online question answering system SHAPAQA, and using data from this system we show that the problem of complex answers is quite common. We define nine types of complex questions, and suggest two approaches, based on answer frequencies, that allow question answering systems to tackle the problem.

Information

Type
Research Article
Information
Natural Language Engineering , Volume 7 , Issue 4 , December 2001 , pp. 301 - 323
Copyright
© 2001 Cambridge University Press