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JNW
2006
148views more  JNW 2006»
14 years 9 months ago
An Energy Efficient Approach to Dynamic Coverage in Wireless Sensor Networks
Tracking of mobile targets is an important application of sensor networks. This is a non-trivial problem as the increased accuracy of tracking results in an overall reduction in th...
Mohamed Khalil Watfa, Sesh Commuri
INFOCOM
2002
IEEE
15 years 2 months ago
Guaranteed Scheduling for Switches with Configuration Overhead
—In this paper, we present three algorithms that provide performance guarantees for scheduling switches, such as optical switches, with configuration overhead. Each algorithm emu...
Brian Towles, William J. Dally
SDM
2009
SIAM
343views Data Mining» more  SDM 2009»
15 years 7 months ago
Change-Point Detection in Time-Series Data by Direct Density-Ratio Estimation.
Change-point detection is the problem of discovering time points at which properties of time-series data change. This covers a broad range of real-world problems and has been acti...
Masashi Sugiyama, Yoshinobu Kawahara
INFSOF
2008
85views more  INFSOF 2008»
14 years 9 months ago
Locating dependence structures using search-based slicing
This paper introduces an approach to locating dependence structures in a program by searching the space of the powerset of the set of all possible program slices. The paper formul...
Tao Jiang, Nicolas Gold, Mark Harman, Zheng Li
JACM
2006
99views more  JACM 2006»
14 years 9 months ago
Finding a maximum likelihood tree is hard
Abstract. Maximum likelihood (ML) is an increasingly popular optimality criterion for selecting evolutionary trees [Felsenstein 1981]. Finding optimal ML trees appears to be a very...
Benny Chor, Tamir Tuller