4838 search results - page 270 / 968 » Sampling of information goods |
185
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
We investigate a representative case of sudden information need change of Web users. By analyzing search engine query logs, we show that the majority of queries submitted by users...
168
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
We give a fresh look into score normalization for merging result-lists, isolating the problem from other components. We focus on three of the simplest, practical, and widelyused l...
164
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CIKM
2001
Springer
15 years 11 months ago
2001
Springer
Given a large number of search engines on the Internet, it is di cult for a person to determine which search engines could serve his/her information needs. A common solution is to...
139
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Traditionally, collaborative filtering (CF) algorithms used for recommendation operate on complete knowledge. This makes these algorithms hard to employ in a decentralized contex...
208
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DGO
2006
15 years 8 months ago
2006
Government agencies must often quickly organize and analyze large amounts of textual information, for example comments received as part of notice and comment rulemaking. Hierarchi...