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IAT
2007
IEEE
16 years 29 days ago
A Hybrid of Inference and Local Search for Distributed Combinatorial Optimization
We present a new hybrid algorithm for local search in distributed combinatorial optimization. This method is a mix between classical local search methods in which nodes take decis...
Adrian Petcu, Boi Faltings
ICC
2007
IEEE
162views Communications» more  ICC 2007»
16 years 29 days ago
An Asymptotically Sum-Rate Optimal Precoding Scheme for MIMO Gaussian Broadcast Channel
—In this paper, we study the downlink precoding schemes for MIMO Gaussian broadcast channels (MIMO GBC). A novel low-complexity zero-forcing dirty-paper-coding (DPC) scheme, name...
Hao Li, Changqing Xu, Pingzhi Fan
IPPS
2007
IEEE
16 years 28 days ago
Optimized Inverted List Assignment in Distributed Search Engine Architectures
We study efficient query processing in distributed web search engines with global index organization. The main performance bottleneck in this case is due to the large amount of i...
Jiangong Zhang, Torsten Suel
ISCC
2006
IEEE
16 years 19 days ago
An Optimized Peer-to-Peer Overlay Network for Service Discovery
In this paper, we propose DINPeer, an optimized peer-to-peer (P2P) overlay network for service discovery by overcoming limitations in current multicast discovery approaches and P2...
H. Q. Guo, D. Q. Zhang, Lek Heng Ngoh, Wai-Choong ...
ISCA
2005
IEEE
81views Hardware» more  ISCA 2005»
16 years 6 days ago
Energy Optimization of Subthreshold-Voltage Sensor Network Processors
Sensor network processors and their applications are a growing area of focus in computer system research and design. Inherent to this design space is a reduced processing performa...
Leyla Nazhandali, Bo Zhai, Javin Olson, Anna Reeve...