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PVLDB
2008
126views more  PVLDB 2008»
15 years 6 months ago
Parallelizing query optimization
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
Wook-Shin Han, Wooseong Kwak, Jinsoo Lee, Guy M. L...
CDC
2010
IEEE
129views Control Systems» more  CDC 2010»
15 years 1 months ago
On optimal input signal design for frequency response estimation
This paper studies optimal input excitation design for parametric frequency response estimation. We will focus on least-squares estimation of Finite Impulse Response (FIR) models a...
Bo Wahlberg, Håkan Hjalmarsson, Petre Stoica
DEXA
1995
Springer
126views Database» more  DEXA 1995»
15 years 10 months ago
A Heuristic Approach for Optimization of Path Expressions
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
Cetin Ozkan, Asuman Dogac, Cem Evrendilek
JSAC
2007
78views more  JSAC 2007»
15 years 6 months ago
Partially Optimal Routing
— Most large-scale communication networks, such as the Internet, consist of interconnected administrative domains. While source (or selfish) routing, where transmission follows ...
Daron Acemoglu, Ramesh Johari, Asuman E. Ozdaglar
MICRO
2000
IEEE
176views Hardware» more  MICRO 2000»
15 years 6 months ago
An Advanced Optimizer for the IA-64 Architecture
level of abstraction, compared with the program representation for scalar optimizations. For example, loop unrolling and loop unrolland-jam transformations exploit the large regist...
Rakesh Krishnaiyer, Dattatraya Kulkarni, Daniel M....