6474 search results - page 255 / 1295 » An analysis of diversity measures |
164
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AIRS
2006
Springer
15 years 10 months ago
2006
Springer
This paper compares the utilization of ConceptNet and WordNet in query expansion. Spreading activation selects candidate terms for query expansion from these two resources. Three m...
199
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ACRI
2006
Springer
15 years 8 months ago
2006
Springer
Abstract. This paper presents the Anisotropic selection scheme for cellular Genetic Algorithms (cGA). This new scheme allows to enhance diversity and to control the selective press...
192
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ECIR
2007
Springer
15 years 8 months ago
2007
Springer
We consider the issue of query performance, and we propose a novel method for automatically predicting the difficulty of a query. Unlike a number of existing techniques which are b...
186
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SDM
2007
SIAM
15 years 8 months ago
2007
SIAM
The problem of efficiently finding images that are similar to a target image has attracted much attention in the image processing community and is rightly considered an informatio...
206
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GLOBECOM
2010
IEEE
15 years 4 months ago
2010
IEEE
In this paper we formulate a power loading problem for the spatial subchannels (parallel channels) of a single-carrier MIMO-SVD system. The power loading solution is designed to mi...