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RECOMB
2009
Springer
16 years 5 months ago
New Perspectives on Gene Family Evolution: Losses in Reconciliation and a Link with Supertrees
Reconciliation between a set of gene trees and a species tree is the most commonly used approach to infer the duplication and loss events in the evolution of gene families, given a...
Cedric Chauve, Nadia El-Mabrouk
TSP
2010
14 years 11 months ago
Beamforming and rate allocation in MISO cognitive radio networks
We consider decentralized multiantenna cognitive radio networks where the secondary (cognitive) users are granted simultaneous spectrum access along with the license-holding (prima...
Ali Tajer, Narayan Prasad, Xiaodong Wang
ICIP
2001
IEEE
16 years 6 months ago
Adaptive motion search with elastic diamond for MPEG-4 video coding
Video coding is a complex process, comprising a combination of spatial, temporal and statistical data reduction techniques. Of these techniques, motion estimation taking advantage...
Weiguo Zheng, Ishfaq Ahmad, Ming Lei Liou
KDD
2009
ACM
180views Data Mining» more  KDD 2009»
16 years 4 months ago
Using graph-based metrics with empirical risk minimization to speed up active learning on networked data
Active and semi-supervised learning are important techniques when labeled data are scarce. Recently a method was suggested for combining active learning with a semi-supervised lea...
Sofus A. Macskassy
KDD
2008
ACM
183views Data Mining» more  KDD 2008»
16 years 4 months ago
De-duping URLs via rewrite rules
A large fraction of the URLs on the web contain duplicate (or near-duplicate) content. De-duping URLs is an extremely important problem for search engines, since all the principal...
Anirban Dasgupta, Ravi Kumar, Amit Sasturkar