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DMIN
2007
186views Data Mining» more  DMIN 2007»
15 years 6 months ago
Cost-Sensitive Learning vs. Sampling: Which is Best for Handling Unbalanced Classes with Unequal Error Costs?
- The classifier built from a data set with a highly skewed class distribution generally predicts the more frequently occurring classes much more often than the infrequently occurr...
Gary M. Weiss, Kate McCarthy, Bibi Zabar
ICDM
2009
IEEE
150views Data Mining» more  ICDM 2009»
15 years 2 months ago
Filtering and Refinement: A Two-Stage Approach for Efficient and Effective Anomaly Detection
Anomaly detection is an important data mining task. Most existing methods treat anomalies as inconsistencies and spend the majority amount of time on modeling normal instances. A r...
Xiao Yu, Lu An Tang, Jiawei Han
CCGRID
2006
IEEE
15 years 10 months ago
Optimal Replica Placement Strategy for Hierarchical Data Grid Systems
Grid computing is an important mechanism for utilizing distributed computing resources. These resources are distributed in different geographical locations, but are organized to p...
Pangfeng Liu, Jan-Jan Wu
156
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JPDC
2007
147views more  JPDC 2007»
15 years 4 months ago
Energy optimal data propagation in wireless sensor networks
We propose an algorithm to compute the optimal parameters of a probabilistic data propagation algorithm for wireless sensor networks (WSN). The probabilistic data propagation algo...
Olivier Powell, Pierre Leone, José D. P. Ro...
WSC
1998
15 years 6 months ago
Parallel Implementation of a Molecular Dynamics Simulation Program
We have taken a NIST molecular dynamics simulation program (md3), which was configured as a single sequential process running on a CRAY C90 vector supercomputer, and parallelized ...
Alan Mink, Christophe Bailly