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ICDM
2009
IEEE
188views Data Mining» more  ICDM 2009»
13 years 7 months ago
Binomial Matrix Factorization for Discrete Collaborative Filtering
Matrix factorization (MF) models have proved efficient and well scalable for collaborative filtering (CF) problems. Many researchers also present the probabilistic interpretation o...
Jinlong Wu
PVLDB
2008
116views more  PVLDB 2008»
13 years 8 months ago
Tighter estimation using bottom k sketches
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...
Edith Cohen, Haim Kaplan
TSP
2010
13 years 4 months ago
Mitigating channel estimation error with timing synchronization tradeoff in cooperative communications
Channel estimation error and co-channel interference (CCI) problems are among the main causes of performance degradation in wireless networks. In this paper, we investigate the im...
Ahmed S. Ibrahim, K. J. Ray Liu
BMCBI
2010
139views more  BMCBI 2010»
13 years 9 months ago
A highly efficient multi-core algorithm for clustering extremely large datasets
Background: In recent years, the demand for computational power in computational biology has increased due to rapidly growing data sets from microarray and other high-throughput t...
Johann M. Kraus, Hans A. Kestler
SIGMETRICS
2008
ACM
142views Hardware» more  SIGMETRICS 2008»
13 years 9 months ago
Exploiting manufacturing variations for compensating environment-induced clock drift in time synchronization
Time synchronization is an essential service in distributed computing and control systems. It is used to enable tasks such as synchronized data sampling and accurate time-offlight...
Thomas Schmid, Zainul Charbiwala, Jonathan Friedma...