24105 search results - page 238 / 4821 » Models in Information Retrieval |
173
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SAC
2009
ACM
16 years 1 months ago
2009
ACM
Incorporating background knowledge into data mining algorithms is an important but challenging problem. Current approaches in semi-supervised learning require explicit knowledge p...
169
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ADBIS
2005
Springer
16 years 3 days ago
2005
Springer
Abstract. The performance of an information retrieval system is usually measured in terms of two different criteria, precision and recall. This way, the optimization of any of its...
158
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ECIR
2008
Springer
15 years 8 months ago
2008
Springer
In this paper, we propose a model for exploiting community based usage information for video retrieval. Implicit usage information from a pool of past users could be a valuable sou...
149
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SIGIR
2006
ACM
16 years 15 days ago
2006
ACM
The primary aim of XML element retrieval is to return to users XML elements, rather than whole documents. This poster describes a small study, in which we elicited users’ expect...
146
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ECIR
2003
Springer
15 years 8 months ago
2003
Springer
In this paper we present an initial study on the use of both high and low level MPEG-7 descriptions for video retrieval. A brief survey of current XML indexing techniques shows tha...