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» Question Answering System for Incomplete and Noisy Data
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ACL
2003
13 years 6 months ago
A Noisy-Channel Approach to Question Answering
We introduce a probabilistic noisychannel model for question answering and we show how it can be exploited in the context of an end-to-end QA system. Our noisy-channel system outp...
Abdessamad Echihabi, Daniel Marcu
ACL
2003
13 years 6 months ago
Offline Strategies for Online Question Answering: Answering Questions Before They Are Asked
Recent work in Question Answering has focused on web-based systems that extract answers using simple lexicosyntactic patterns. We present an alternative strategy in which patterns...
Michael Fleischman, Eduard H. Hovy, Abdessamad Ech...
TREC
2007
13 years 6 months ago
Lymba's PowerAnswer 4 in TREC 2007
This paper reports on Lymba Corporation’s (a spinoff of Language Computer Corporation) participation in the TREC 2007 Question Answering track. An overview of the PowerAnswer 4 ...
Dan I. Moldovan, Christine Clark, Moldovan Bowden
ISIPTA
2005
IEEE
140views Mathematics» more  ISIPTA 2005»
13 years 11 months ago
Conservative Rules for Predictive Inference with Incomplete Data
This paper addresses the following question: how should we update our beliefs after observing some incomplete data, in order to make credible predictions about new, and possibly i...
Marco Zaffalon
EMNLP
2004
13 years 6 months ago
Instance-Based Question Answering: A Data-Driven Approach
Anticipating the availability of large questionanswer datasets, we propose a principled, datadriven Instance-Based approach to Question Answering. Most question answering systems ...
Lucian Vlad Lita, Jaime G. Carbonell