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» On an Optimization Problem in Sensor Selection*
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ICCNMC
2005
Springer
15 years 3 months ago
Sensor Network Configuration Under Physical Attacks
— In this paper, we address a sensor network lifetime problem that maintains a certain throughput in an environment where physical node destruction is possible. While lifetime is...
Xun Wang, Wenjun Gu, Kurt Schosek, Sriram Chellapp...
VLDB
1999
ACM
91views Database» more  VLDB 1999»
15 years 2 months ago
Probabilistic Optimization of Top N Queries
The problem of nding the best answers to a query quickly, rather than nding all answers, is of increasing importance as relational databases are applied in multimedia and decision...
Donko Donjerkovic, Raghu Ramakrishnan
GECCO
2006
Springer
143views Optimization» more  GECCO 2006»
15 years 1 months ago
Hybrid search for cardinality constrained portfolio optimization
In this paper, we describe how a genetic algorithm approach added to a simulated annealing (SA) process offers a better alternative to find the mean variance frontier in the portf...
Miguel A. Gomez, Carmen X. Flores, Maria A. Osorio
CDC
2010
IEEE
14 years 5 months ago
Vision-based cooperative estimation via multi-agent optimization
Abstract-- In this paper, we investigate a cooperative estimation problem for visual sensor networks based on multiagent optimization techniques. A passivity-based visual motion ob...
Takeshi Hatanaka, Masayuki Fujita, Francesco Bullo
ICIP
1997
IEEE
15 years 11 months ago
An Optimization Approach to Unsupervised Hierarchical Texture Segmentation
In this paper we introduce a novel optimization framework for hierarchical data clustering and apply it to the problem of unsupervised texture segmentation. The proposed objective...
Thomas Hofmann, Jan Puzicha, Joachim M. Buhmann