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WDAG
2009
Springer
94views Algorithms» more  WDAG 2009»
14 years 6 days ago
Local Computation of Nearly Additive Spanners
Abstract. An (α, β)-spanner of a graph G is a subgraph H that approximates distances in G within a multiplicative factor α and an additive error β, ensuring that for any two no...
Bilel Derbel, Cyril Gavoille, David Peleg, Laurent...
MICCAI
2007
Springer
14 years 8 months ago
MCMC Curve Sampling for Image Segmentation
Abstract. We present an algorithm to generate samples from probability distributions on the space of curves. We view a traditional curve evolution energy functional as a negative l...
Ayres C. Fan, John W. Fisher III, William M. Wells...
CISS
2008
IEEE
14 years 2 months ago
Distributed estimation in wireless sensor networks via variational message passing
Abstract – In this paper, a variational message passing framework is proposed for Markov random fields. Analogous to the traditional belief propagation algorithm, variational mes...
Yanbing Zhang, Huaiyu Dai
CIKM
2001
Springer
14 years 6 days ago
Caching Constrained Mobile Data
As mobile devices get ubiquitous and grow in computational power, their management of interdependent data also becomes increasingly important. The mobile environment exhibits all ...
Subhasish Mazumdar, Mateusz Pietrzyk, Panos K. Chr...
DOLAP
2004
ACM
14 years 1 months ago
Aggregate queries in peer-to-peer OLAP
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
Mauricio Minuto Espil, Alejandro A. Vaisman