8724 search results - page 130 / 1745 » Search result diversification |
178
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TWC
2008
15 years 6 months ago
2008
A box-constrained integer least squares problem (BILS) arises from several wireless communications applications. Solving a BILS problem usually has two stages: reduction (or prepro...
155
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
Recent increase in the number of search engines on the Web and the availability of meta search engines that can query multiple search engines makes it important to find effective ...
186
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WSDM
2010
ACM
16 years 3 months ago
2010
ACM
This article describes an application of the partially observable Markov (POM) model to the analysis of a large scale commercial web search log. Mathematically, POM is a variant o...
165
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CHI
2007
ACM
16 years 6 months ago
2007
ACM
Web search engines present search results in a rank ordered list. This works when what a user wants is near the top, but sometimes the information that the user really wants is lo...
202
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Users frequently modify a previous search query in hope of retrieving better results. These modifications are called query reformulations or query refinements. Existing research h...