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GECCO
2008
Springer
183views Optimization» more  GECCO 2008»
15 years 5 months ago
UMDAs for dynamic optimization problems
This paper investigates how the Univariate Marginal Distribution Algorithm (UMDA) behaves in non-stationary environments when engaging in sampling and selection strategies designe...
Carlos M. Fernandes, Cláudio F. Lima, Agost...
CORR
2007
Springer
144views Education» more  CORR 2007»
15 years 4 months ago
Optimization of Information Rate Upper and Lower Bounds for Channels with Memory
—We consider the problem of minimizing upper bounds and maximizing lower bounds on information rates of stationary and ergodic discrete-time channels with memory. The channels we...
Parastoo Sadeghi, Pascal O. Vontobel, Ramtin Shams
JSAC
2006
155views more  JSAC 2006»
15 years 4 months ago
Cross-Layer Optimized Video Streaming Over Wireless Multihop Mesh Networks
Abstract--The proliferation of wireless multihop communication infrastructures in office or residential environments depends on their ability to support a variety of emerging appli...
Yiannis Andreopoulos, Nicholas Mastronarde, Mihael...
ICDE
2002
IEEE
112views Database» more  ICDE 2002»
16 years 5 months ago
Design and Evaluation of Alternative Selection Placement Strategies in Optimizing Continuous Queries
In this paper, we design and evaluate alternative selection placement strategies for optimizing a very large number of continuous queries in an Internet environment. Two grouping ...
Jianjun Chen, David J. DeWitt, Jeffrey F. Naughton
SIGMOD
2004
ACM
147views Database» more  SIGMOD 2004»
16 years 4 months ago
Robust Query Processing through Progressive Optimization
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
Volker Markl, Vijayshankar Raman, David E. Simmen,...