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TNN
2008
128views more  TNN 2008»
15 years 6 months ago
Nonnegative Matrix Factorization in Polynomial Feature Space
Abstract--Plenty of methods have been proposed in order to discover latent variables (features) in data sets. Such approaches include the principal component analysis (PCA), indepe...
Ioan Buciu, Nikos Nikolaidis, Ioannis Pitas
TON
2008
159views more  TON 2008»
15 years 6 months ago
Optimizing lifetime for continuous data aggregation with precision guarantees in wireless sensor networks
This paper exploits the tradeoff between data quality and energy consumption to extend the lifetime of wireless sensor networks. To obtain an aggregate form of sensor data with pre...
Xueyan Tang, Jianliang Xu
TON
2008
121views more  TON 2008»
15 years 6 months ago
A framework for mitigating attacks against measurement-based adaptation mechanisms in unstructured multicast overlay networks
Many multicast overlay networks maintain application-specific performance goals by dynamically adapting the overlay structure when the monitored performance becomes inadequate. Thi...
Aaron Walters, David Zage, Cristina Nita-Rotaru
TPDS
2008
169views more  TPDS 2008»
15 years 6 months ago
Dynamic Resource Management in Energy Constrained Heterogeneous Computing Systems Using Voltage Scaling
An ad hoc grid is a wireless heterogeneous computing environment without a fixed infrastructure. This study considers wireless devices that have different capabilities, have limite...
Jong-Kook Kim, Howard Jay Siegel, Anthony A. Macie...
TVLSI
2008
151views more  TVLSI 2008»
15 years 6 months ago
Guest Editorial Special Section on Design Verification and Validation
ion levels. The framework also supports the generation of test constraints, which can be satisfied using a constraint solver to generate tests. A compositional verification approac...
I. Harris, D. Pradhan