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» Question Answering in Webclopedia
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214
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TOIS
2012
241views Data Mining» more  TOIS 2012»
13 years 6 months ago
Approaches to Exploring Category Information for Question Retrieval in Community Question-Answer Archives
Xin Cao, Gao Cong, Bin Cui, Christian S. Jensen, Q...
146
Voted
SIGIR
2004
ACM
15 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
PAKDD
2010
ACM
179views Data Mining» more  PAKDD 2010»
15 years 8 months ago
Answer Diversification for Complex Question Answering on the Web
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...
Palakorn Achananuparp, Xiaohua Hu, Tingting He, Ch...