1014 search results - page 21 / 203 » Answer models for question answering passage retrieval |
DKE
2008
14 years 9 months ago
2008
In this paper, we discuss a novel technique based on semantic constraints to improve the performance and portability of a reformulation-based question answering system. First, we ...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
We describe a user study that examined the relationship between the quality of an Information Retrieval system and the effectiveness of its users in performing a task. The task i...
PAKDD
2010
ACM
15 years 2 months ago
2010
ACM
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
TREC
2003
14 years 11 months ago
2003
CL Research’s question-answering system for TREC 2003 was modified away from reliance on database technology to the core underlying technology of using massive XML-tagging for p...
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INLG
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. In this paper, we present a logic-based model for an accurate generation of intensional responses within a cooperative questionanswering framework. We develop several cat...