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» A General Greedy Approximation Algorithm with Applications
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SIGMOD
2008
ACM
191views Database» more  SIGMOD 2008»
15 years 9 months ago
Efficient aggregation for graph summarization
Graphs are widely used to model real world objects and their relationships, and large graph datasets are common in many application domains. To understand the underlying character...
Yuanyuan Tian, Richard A. Hankins, Jignesh M. Pate...
SIGMOD
2011
ACM
241views Database» more  SIGMOD 2011»
14 years 13 days ago
Neighborhood based fast graph search in large networks
Complex social and information network search becomes important with a variety of applications. In the core of these applications, lies a common and critical problem: Given a labe...
Arijit Khan, Nan Li, Xifeng Yan, Ziyu Guan, Supriy...
KDD
2009
ACM
221views Data Mining» more  KDD 2009»
15 years 10 months ago
Migration motif: a spatial - temporal pattern mining approach for financial markets
A recent study by two prominent finance researchers, Fama and French, introduces a new framework for studying risk vs. return: the migration of stocks across size-value portfolio ...
Xiaoxi Du, Ruoming Jin, Liang Ding, Victor E. Lee,...
ISLPED
2009
ACM
178views Hardware» more  ISLPED 2009»
15 years 4 months ago
Power management in energy harvesting embedded systems with discrete service levels
Power management has been a critical issue in the design of embedded systems due to the limited power supply. To prolong the lifetime, energy minimization has been studied under p...
Clemens Moser, Jian-Jia Chen, Lothar Thiele
GECCO
2007
Springer
256views Optimization» more  GECCO 2007»
15 years 3 months ago
A particle swarm optimization approach for estimating parameter confidence regions
Point estimates of the parameters in real world models convey valuable information about the actual system. However, parameter comparisons and/or statistical inference requires de...
Praveen Koduru, Stephen Welch, Sanjoy Das