1889 search results - page 217 / 378 » Re-ranking search results using query logs |
312
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
224
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
We propose a mathematical framework for query selection as a mechanism for reducing the cost of constructing information retrieval test collections. In particular, our mathematica...
150
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
In many text retrieval tasks, it is highly desirable to obtain a "similarity profile" of the document collection for a given query. We propose sampling-based techniques ...
163
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TREC
2007
15 years 7 months ago
2007
: In this paper, we document our efforts in participating to the TREC 2007 Legal track. We had multiple aims: First, to experiment with using different query formulations, trying t...
173
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JMLR
2008
15 years 6 months ago
2008
We propose a highly efficient framework for penalized likelihood kernel methods applied to multiclass models with a large, structured set of classes. As opposed to many previous a...