3891 search results - page 497 / 779 » Query Models |
149
Voted
CIKM
2011
Springer
14 years 3 months ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
134
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DBPL
2007
Springer
15 years 7 months ago
2007
Springer
Traditionally, infinite databases were studied as a data model for queries that may contain function symbols (since functions may be expressed as infinite relations). Recently, th...
152
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GIS
2010
ACM
15 years 2 months ago
2010
ACM
Local search is a specialization of the web search that allows users to submit geographically constrained queries. However, one of the challenges for local search engines is to un...
151
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EMNLP
2008
15 years 5 months ago
2008
Active learning is well-suited to many problems in natural language processing, where unlabeled data may be abundant but annotation is slow and expensive. This paper aims to shed ...
126
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JMLR
2010
14 years 10 months ago
2010
A computationally efficient approach to local learning with kernel methods is presented. The Fast Local Kernel Support Vector Machine (FaLK-SVM) trains a set of local SVMs on redu...