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DKE
2008
104views more  DKE 2008»
8 years 4 months ago
Improving the performance of question answering with semantically equivalent answer patterns
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 ...
Leila Kosseim, Jamileh Yousefi
SIGIR
2004
ACM
8 years 9 months ago
Answer models for question answering passage retrieval
Answer patterns have been shown to improve the performance of open-domain factoid QA systems. Their use, however, requires either constructing the patterns manually or developing ...
Andrés Corrada-Emmanuel, W. Bruce Croft
TREC
2000
8 years 5 months ago
Syntactic Clues and Lexical Resources in Question-Answering
CL Research's question-answering system (DIMAP-QA) for TREC-9 significantly extends its semantic relation triple (logical form) technology in which documents are fully parsed...
Kenneth C. Litkowski
NDQA
2003
131views Education» more  NDQA 2003»
8 years 5 months ago
Panel on Web-Based Question Answering
Early TREC-style Question Answering Systems were characterized by the following features: (a) the answer of the question was known to be included in a given local corpus, (b) the ...
Dragomir R. Radev
IJCNLP
2005
Springer
8 years 9 months ago
Exploring Syntactic Relation Patterns for Question Answering
Abstract. In this paper, we explore the syntactic relation patterns for opendomain factoid question answering. We propose a pattern extraction method to extract the various relatio...
Dan Shen, Geert-Jan M. Kruijff, Dietrich Klakow
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