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IJAR
2010
152views more  IJAR 2010»
13 years 7 months ago
Structural-EM for learning PDG models from incomplete data
Probabilistic Decision Graphs (PDGs) are a class of graphical models that can naturally encode some context specific independencies that cannot always be efficiently captured by...
Jens D. Nielsen, Rafael Rumí, Antonio Salme...
CCGRID
2008
IEEE
14 years 3 months ago
Data Consolidation: A Task Scheduling and Data Migration Technique for Grid Networks
In this work we examine a task scheduling and data migration problem for Grid Networks, which we refer to as the Data Consolidation (DC) problem. DC arises when a task needs for i...
Panagiotis C. Kokkinos, Kostas Christodoulopoulos,...
ICC
2007
IEEE
154views Communications» more  ICC 2007»
14 years 3 months ago
On Data Fusion and Lifetime Constraints in Wireless Sensor Networks
—The problems of energy efficient sensor network configuration and local fusion of sensed data have been addressed separately in the previous works. In this paper, we propose t...
Xiaodong Wang, Demin Wang, Yun Wang, Dharma P. Agr...
ICMCS
2006
IEEE
219views Multimedia» more  ICMCS 2006»
14 years 3 months ago
Analysis of Multi-User Congestion Control for Video Streaming Over Wireless Networks
When multiple video sources are live-encoded and transmitted over a common wireless network, each stream needs to adapt its encoding parameters to wireless channel fluctuations, ...
Xiaoqing Zhu, Bernd Girod
JOIN
2007
133views more  JOIN 2007»
13 years 9 months ago
The Coverage Problem in Three-Dimensional Wireless Sensor Networks
— One of the fundamental issues in sensor networks is the coverage problem, which reflects how well a sensor network is monitored or tracked by sensors. In this paper, we formul...
Chi-Fu Huang, Yu-Chee Tseng, Li-Chu Lo