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» WSD as a Distributed Constraint Optimization Problem
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QSHINE
2009
IEEE
14 years 2 months ago
Joint Optimization of System Lifetime and Network Performance for Real-Time Wireless Sensor Networks
Maximizing the aggregate network utility and minimizing the network energy consumption are important but conflict goals in wireless sensor networks. Challenges arise due to the app...
Lei Rao, Xue Liu, Jian-Jia Chen, Wenyu Liu
IAT
2010
IEEE
13 years 5 months ago
Getting What You Pay For: Is Exploration in Distributed Hill Climbing Really Worth it?
Abstract--The Distributed Stochastic Algorithm (DSA), Distributed Breakout Algorithm (DBA), and variations such as Distributed Simulated Annealing (DSAN), MGM-1, and DisPeL, are di...
Melanie Smith, Roger Mailler
SIGMOD
2012
ACM
203views Database» more  SIGMOD 2012»
11 years 10 months ago
Optimizing index for taxonomy keyword search
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
Bolin Ding, Haixun Wang, Ruoming Jin, Jiawei Han, ...
INFOCOM
2012
IEEE
11 years 10 months ago
Resource allocation for heterogeneous multiuser OFDM-based cognitive radio networks with imperfect spectrum sensing
—In this paper we study the resource allocation in OFDM-based cognitive radio (CR) networks, under the consideration of many practical limitations such as imperfect spectrum sens...
Shaowei Wang, Zhi-Hua Zhou, Mengyao Ge, Chonggang ...
ICC
2007
IEEE
154views Communications» more  ICC 2007»
14 years 2 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...