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» Neighborhood operator systems and approximations
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IJSN
2008
145views more  IJSN 2008»
14 years 9 months ago
Clique-based group key assignment in Wireless Sensor Networks
: Security has become the corner stone of research in wireless sensor networks (WSNs). Due to the unique operational environment of WSNs, where the communication medium is open to ...
Avinash Srinivasan, Feng Li, Jie Wu, Minglu Li
SIGMOD
2008
ACM
203views Database» more  SIGMOD 2008»
15 years 9 months ago
Querying continuous functions in a database system
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...
Arvind Thiagarajan, Samuel Madden
IPPS
2007
IEEE
15 years 4 months ago
Link Shutdown Opportunities During Collective Communications in 3-D Torus Nets
As modern computing clusters used in scientific computing applications scale to ever-larger sizes and capabilities, their operational energy costs have become prohibitive. While ...
S. Conner, Sayaka Akioka, Mary Jane Irwin, Padma R...
ICML
2006
IEEE
15 years 10 months ago
Fast direct policy evaluation using multiscale analysis of Markov diffusion processes
Policy evaluation is a critical step in the approximate solution of large Markov decision processes (MDPs), typically requiring O(|S|3 ) to directly solve the Bellman system of |S...
Mauro Maggioni, Sridhar Mahadevan
JMMA
2002
71views more  JMMA 2002»
14 years 9 months ago
Optimal Hierarchies for Quadrilateral Surfaces
Abstract. Multiresolution representation of quadrilateral surface approximation (MRQSA) is a useful representation for progressive graphics transmission in networks. Based on two r...
Kuo-Liang Chung, Wen-Ming Yan, Jung-Gen Wu