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SIGMOD
2008
ACM
145views Database» more  SIGMOD 2008»
16 years 4 months ago
Optimizing complex queries with multiple relation instances
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
Yu Cao, Gopal C. Das, Chee Yong Chan, Kian-Lee Tan
ICDE
2007
IEEE
167views Database» more  ICDE 2007»
15 years 10 months ago
Adapting Mixed Workloads to Meet SLOs in Autonomic DBMSs
Workload adaptation allows an autonomic database management system (DBMS) to efficiently make use of its resources and meet its Service Level Objectives (SLOs) by filtering or con...
Baoning Niu, Patrick Martin, Wendy Powley, Paul Bi...
ALT
2007
Springer
16 years 1 months ago
Pseudometrics for State Aggregation in Average Reward Markov Decision Processes
We consider how state similarity in average reward Markov decision processes (MDPs) may be described by pseudometrics. Introducing the notion of adequate pseudometrics which are we...
Ronald Ortner
AISB
1995
Springer
15 years 8 months ago
An Evolutionary Algorithm for Parametric Array Signal Processing
This paper presents an evolutionary algorithm for solving parameter optimization problems in parametric array signal processing. The method utilises the niche concept to maintain a...
Dekun Yang, Stuart J. Flockton
WCE
2007
15 years 5 months ago
Transformation Model Estimation for Point Matching Via Gaussian Processes
—One of main issues in point matching is the choice of the mapping function and the computation of its optimal hyperparameters. In this paper, we propose an attractive approach t...
Xin Yu, Jin-Wen Tian, Jian Liu