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A Named Entity Recogniser for Question Answering Menno van Zaanen and Diego Molla
 

Summary: A Named Entity Recogniser for Question Answering
Menno van Zaanen and Diego Moll´a
Centre for Language Technology
Macquarie University
Sydney
Australia
{menno, diego}@ics.mq.edu.au
Abstract
Named Entity Recognisers (NERs) are
typically used by question answering
(QA) systems as means to preselect an-
swer candidates. However, there has not
been much work on the formal assessment
of the use of NERs for QA nor on their op-
timal parameters. In this paper we investi-
gate the main characteristics of a NER for
QA. The results show that it is important
to maintain high recall to retain all possi-
ble answers on the one hand, while high
precision is essential during the final an-

  

Source: Aliod, Diego Mollá - Department of Computing, Macquarie University

 

Collections: Computer Technologies and Information Sciences