3717 search results - page 380 / 744 » The Persistence of Statistical Information |
225
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SIGIR
2005
ACM
16 years 1 months 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...
223
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CIKM
2005
Springer
16 years 1 months ago
2005
Springer
This paper describes a framework for defining domain specific Feature Functions in a user friendly form to be used in a Maximum Entropy Markov Model (MEMM) for the Named Entity Re...
194
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CIKM
2004
Springer
16 years 1 months ago
2004
Springer
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
205
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CIKM
2003
Springer
16 years 26 days ago
2003
Springer
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...
208
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CIKM
2006
Springer
15 years 11 months ago
2006
Springer
In this paper, we introduce the notion of ranking robustness, which refers to a property of a ranked list of documents that indicates how stable the ranking is in the presence of ...