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161
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SIAMJO
2008
15 years 6 months ago
2008
Abstract. Utility functions of several variables are ubiquitous in economics. Their maximization requires inversion of the gradient map. Using convex analysis tools, we provide a r...
187
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SIGKDD
2008
15 years 6 months ago
2008
Recommender systems are a nice tool to help nd items of interest from an overwhelming number of available items. Collaborative Filtering (CF), the best known technology for recomme...
198
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SIGOPS
2008
15 years 6 months ago
2008
During the last three years, we have been experimenting with the use of the Uppaal model checker in an introductory course on operating systems for first-year Computer Science stu...
173
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SIGOPS
2008
15 years 6 months ago
2008
This paper presents PipesFS, an I/O architecture for Linux 2.6 that increases I/O throughput and adds support for heterogeneous parallel processors by (1) collapsing many I/O inte...
170
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IJIM
2007
15 years 6 months ago
2007
— Nowadays there are different evaluation methods focused in the assessment of the usability of telematic methods. The assessment of 3rd generation web environments evaluates the...