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EVOW
2011
Springer
12 years 11 months ago
Local Search for Mixed-Integer Nonlinear Optimization: A Methodology and an Application
Abstract. A methodology is presented for tackling mixed-integer nonlinear optimization problems by local search, in particular large-scale real-life problems. This methodology is i...
Frédéric Gardi, Karim Nouioua
INFOCOM
2011
IEEE
12 years 11 months ago
Strategyproof auctions for balancing social welfare and fairness in secondary spectrum markets
Abstract—Secondary spectrum access is emerging as a promising approach for mitigating the spectrum scarcity in wireless networks. Coordinated spectrum access for secondary users ...
Ajay Gopinathan, Zongpeng Li, Chuan Wu
PAKDD
2011
ACM
419views Data Mining» more  PAKDD 2011»
12 years 10 months ago
DISC: Data-Intensive Similarity Measure for Categorical Data
Abstract. The concept of similarity is fundamentally important in almost every scientific field. Clustering, distance-based outlier detection, classification, regression and sea...
Aditya Desai, Himanshu Singh, Vikram Pudi
EUROPAR
2011
Springer
12 years 7 months ago
A Bit-Compatible Parallelization for ILU(k) Preconditioning
Abstract. ILU(k) is a commonly used preconditioner for iterative linear solvers for sparse, non-symmetric systems. It is often preferred for the sake of its stability. We present T...
Xin Dong 0004, Gene Cooperman
TMI
2010
167views more  TMI 2010»
13 years 2 months ago
Two-Dimensional Intraventricular Flow Mapping by Digital Processing Conventional Color-Doppler Echocardiography Images
Abstract--Doppler echocardiography remains the most extended clinical modality for the evaluation of left ventricular (LV) function. Current Doppler ultrasound methods, however, ar...
Damien Garcia, Juan C. del Álamo, David Tan...