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WWW
2007
ACM
14 years 8 months ago
A large-scale evaluation and analysis of personalized search strategies
Although personalized search has been proposed for many years and many personalization strategies have been investigated, it is still unclear whether personalization is consistent...
Zhicheng Dou, Ruihua Song, Ji-Rong Wen
VLDB
2004
ACM
102views Database» more  VLDB 2004»
14 years 1 months ago
PIVOT and UNPIVOT: Optimization and Execution Strategies in an RDBMS
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
Conor Cunningham, Goetz Graefe, César A. Ga...
CHI
2011
ACM
12 years 11 months ago
Evaluating video visualizations of human behavior
Previously, we presented Viz-A-Vis, a VIsualiZation of Activity through computer VISion [17]. Viz-A-Vis visualizes behavior as aggregate motion over observation space. In this pap...
Mario Romero, Alice Vialard, John Peponis, John T....
SIMUTOOLS
2008
13 years 9 months ago
An OMNeT++ model for the evaluation of OBS routing strategies
Optical Burst Switching (OBS) has been proposed as a costeffective paradigm for supporting, with adequate flexibility, the increasingly high transmission capacity required by the ...
A. L. Barradas, M. C. R. Medeiros
GECCO
2004
Springer
126views Optimization» more  GECCO 2004»
14 years 1 months ago
A Gene Based Adaptive Mutation Strategy for Genetic Algorithms
In this study, a new mechanism that adapts the mutation rate for each locus on the chromosomes, based on feedback obtained from the current population is proposed. Through tests us...
Sima Uyar, Sanem Sariel, Gülsen Eryigit