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IJCNN
2008
IEEE
16 years 21 days ago
Learning to select relevant perspective in a dynamic environment
— When an agent observes its environment, there are two important characteristics of the perceived information. One is the relevance of information and the other is redundancy. T...
Zhihui Luo, David A. Bell, Barry McCollum, Qingxia...
MOBICOM
2004
ACM
15 years 11 months ago
Analyzing the spread of active worms over VANET
Interactive communications among nodes in Vehicular Ad Hoc Networks (VANET) and the safety-oriented nature of many VANET applications necessitate a robust security framework. An a...
Syed A. Khayam, Hayder Radha
ESA
2004
Springer
129views Algorithms» more  ESA 2004»
15 years 11 months ago
Contraction and Treewidth Lower Bounds
Edge contraction is shown to be a useful mechanism to improve lower bound heuristics for treewidth. A successful lower bound for treewidth is the degeneracy: the maximum over all ...
Hans L. Bodlaender, Arie M. C. A. Koster, Thomas W...
PODS
1999
ACM
121views Database» more  PODS 1999»
15 years 10 months ago
Tracking Join and Self-Join Sizes in Limited Storage
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
Noga Alon, Phillip B. Gibbons, Yossi Matias, Mario...
AAIM
2007
Springer
97views Algorithms» more  AAIM 2007»
15 years 10 months ago
Efficiency of Data Distribution in BitTorrent-Like Systems
BitTorrent (BT) in practice is a very efficient method to share data over a network of clients. In this paper we extend the recent work of Arthur and Panigrahy [1] on modelling the...
Ho-Leung Chan, Tak Wah Lam, Prudence W. H. Wong