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» The Guarding Problem - Complexity and Approximation
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TMC
2011
108views more  TMC 2011»
13 years 2 months ago
Spatial-Temporal Coverage Optimization in Wireless Sensor Networks
—Mission-driven sensor networks usually have special lifetime requirements. However, the density of the sensors may not be large enough to satisfy the coverage requirement while ...
Changlei Liu, Guohong Cao
VLDB
2011
ACM
276views Database» more  VLDB 2011»
13 years 2 months ago
Ranking queries on uncertain data
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
Ming Hua, Jian Pei, Xuemin Lin
IJACTAICIT
2010
121views more  IJACTAICIT 2010»
13 years 2 months ago
Separation and Equalization of Cross-Coupled Signals by Adaptive Cancellation
This paper describes an adaptive noise cancellation structure suitable for the separation and equalization of signals that coupled due to the approximate placing of primary and au...
Manal Jamil Al-Kindi
INTERSPEECH
2010
13 years 2 months ago
Boosted mixture learning of Gaussian mixture HMMs for speech recognition
In this paper, we propose a novel boosted mixture learning (BML) framework for Gaussian mixture HMMs in speech recognition. BML is an incremental method to learn mixture models fo...
Jun Du, Yu Hu, Hui Jiang
JCAM
2010
116views more  JCAM 2010»
13 years 2 months ago
A vertex-based hierarchical slope limiter for p-adaptive discontinuous Galerkin methods
A new approach to slope limiting for discontinuous Galerkin methods on arbitrary meshes is introduced. A local Taylor basis is employed to express the approximate solution in term...
Dmitri Kuzmin