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179
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SIGIR
2005
ACM
16 years 2 days ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
173
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SIGIR
2005
ACM
16 years 2 days ago
2005
ACM
We describe a method for predicting query difficulty in a precision-oriented web search task. Our approach uses visual features from retrieved surrogate document representations (...
162
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SIGIR
2005
ACM
16 years 2 days ago
2005
ACM
In this paper we investigate the effectiveness of a documentindependent technique for eliciting feedback from users about their information problems. We propose that such a techni...
176
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SIGIR
2005
ACM
16 years 2 days ago
2005
ACM
We report on two experiments performed to test the importance of Term Order in automatic summarisation. Experiment one was undertaken as part of DUC 2004 to which three systems we...
165
click to vote
SIGIR
2005
ACM
16 years 2 days ago
2005
ACM
This paper develops a general, formal framework for modeling term dependencies via Markov random fields. The model allows for arbitrary text features to be incorporated as eviden...