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PODS
2010
ACM
249views Database» more  PODS 2010»
16 years 9 days ago
Semantic query optimization in the presence of types
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
Michael Meier 0002, Michael Schmidt, Fang Wei, Geo...
VLDB
1993
ACM
116views Database» more  VLDB 1993»
15 years 11 months ago
Algebraic Optimization of Computations over Scientific Databases
Although scientific data analysis increasingly requires accessandmanipulation of large quantitiesof data,current databasetechnology fails to meet the needsof scientific processing...
Richard H. Wolniewicz, Goetz Graefe
WSC
2007
15 years 9 months ago
Optimal scheduling of probabilistic repetitive projects using completed unit and genetic algorithms
In this paper we introduce the completed unit algorithm (CU-AL), a probabilistic scheduling methodology for repetitive projects. The algorithm has two main advantages, simplicity ...
Chachrist Srisuwanrat, Photios G. Ioannou
APPROX
2008
Springer
100views Algorithms» more  APPROX 2008»
15 years 9 months ago
Optimal Random Matchings on Trees and Applications
In this paper we will consider tight upper- and lower-bounds on the weight of the optimal matching for random point sets distributed among the leaves of a tree, as a function of it...
Jeff Abrahamson, Béla Csaba, Ali Shokoufand...
DAC
2005
ACM
15 years 9 months ago
Circuit optimization using statistical static timing analysis
In this paper, we propose a new sensitivity based, statistical gate sizing method. Since circuit optimization effects the entire shape of the circuit delay distribution, it is dif...
Aseem Agarwal, Kaviraj Chopra, David Blaauw, Vladi...