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CORR
1999
Springer
13 years 7 months ago
1999
Springer
Complex queries are becoming commonplace, with the growing use of decision support systems. These complex queries often have a lot of common sub-expressions, either within a singl...
INFOCOM
2005
IEEE
14 years 1 months ago
2005
IEEE
— With the constraints of network topologies and link capacities, achieving the optimal end-to-end throughput in data networks has been known as a fundamental but computationally...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
The query optimizer of a database system is confronted with two aspects when handling user-defined functions (UDFs) in query predicates: the vast differences in evaluation costs b...
ISICA
2007
Springer
14 years 1 months ago
2007
Springer
The standard Particle Swarm Optimization (PSO) algorithm is a novel evolutionary algorithm in which each particle studies its own previous best solution and the group’s previous ...