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RECSYS
2009
ACM
16 years 1 months ago
Recommending new movies: even a few ratings are more valuable than metadata
In the Netflix Prize competition many new collaborative filtering (CF) approaches emerged, which are excellent in optimizing the RMSE of the predictions. Matrix factorization (M...
István Pilászy, Domonkos Tikk
SACMAT
2009
ACM
16 years 1 months ago
Evaluating role mining algorithms
While many role mining algorithms have been proposed in recent years, there lacks a comprehensive study to compare these algorithms. These role mining algorithms have been evaluat...
Ian Molloy, Ninghui Li, Tiancheng Li, Ziqing Mao, ...
SIGMETRICS
2009
ACM
134views Hardware» more  SIGMETRICS 2009»
16 years 1 months ago
DRAM errors in the wild: a large-scale field study
Errors in dynamic random access memory (DRAM) are a common form of hardware failure in modern compute clusters. Failures are costly both in terms of hardware replacement costs and...
Bianca Schroeder, Eduardo Pinheiro, Wolf-Dietrich ...
ANSS
2008
IEEE
16 years 1 months ago
Simulation of Buffer Management Policies in Networks for Grids
Grid technologies are emerging as the next generation of distributed computing, allowing the aggregation of resources that are geographically distributed across different location...
Agustín C. Caminero, Anthony Sulistio, Blan...
GLOBECOM
2008
IEEE
16 years 29 days ago
Optimal LLR Clipping Levels for Mixed Hard/Soft Output Detection
Abstract—Consider a communications system where the detector generates a mix of hard and soft outputs, which are then fed into a soft-input channel decoder. In such a setting, it...
Ernesto Zimmermann, David L. Milliner, John R. Bar...
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