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» A Language Modeling Approach to Passage Question Answering
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SIGIR
2009
ACM
14 years 3 months ago
Positional language models for information retrieval
Although many variants of language models have been proposed for information retrieval, there are two related retrieval heuristics remaining “external” to the language modelin...
Yuanhua Lv, ChengXiang Zhai
SYNTHESE
2008
84views more  SYNTHESE 2008»
13 years 8 months ago
Model structure adequacy analysis: selecting models on the basis of their ability to answer scientific questions
Models carry the meaning of science. This puts a tremendous burden on the process of model selection. In general practice, models are selected on the basis of their relative goodne...
Mark L. Taper, David F. Staples, Bradley B. Shepar...
LREC
2008
103views Education» more  LREC 2008»
13 years 10 months ago
A Question Answering System for German. Experiments with Morphological Linguistic Resources
Question Answering systems are systems that enable the user to ask questions in natural language and to also receive an answer in natural language. Most existing systems, however,...
Florian Koehler, Hinrich Schütze, Michaela At...
CIKM
2003
Springer
14 years 1 months ago
Question answering from the web using knowledge annotation and knowledge mining techniques
We present a strategy for answering fact-based natural language questions that is guided by a characterization of realworld user queries. Our approach, implemented in a system cal...
Jimmy J. Lin, Boris Katz
ACL
2008
13 years 10 months ago
Searching Questions by Identifying Question Topic and Question Focus
This paper is concerned with the problem of question search. In question search, given a question as query, we are to return questions semantically equivalent or close to the quer...
Huizhong Duan, Yunbo Cao, Chin-Yew Lin, Yong Yu