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» Optimizing cost and performance for multihoming
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ASPLOS
1994
ACM
14 years 4 days ago
Compiler Optimizations for Improving Data Locality
In the past decade, processor speed has become significantly faster than memory speed. Small, fast cache memories are designed to overcome this discrepancy, but they are only effe...
Steve Carr, Kathryn S. McKinley, Chau-Wen Tseng
EVOW
2008
Springer
13 years 9 months ago
Metaheuristics for the Bi-objective Ring Star Problem
The bi-objective ring star problem aims to locate a cycle through a subset of nodes of a graph while optimizing two types of cost. The first criterion is to minimize a ring cost, r...
Arnaud Liefooghe, Laetitia Jourdan, Matthieu Basse...
ICDE
2005
IEEE
113views Database» more  ICDE 2005»
14 years 9 months ago
On the Optimal Ordering of Maps and Selections under Factorization
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...
Thomas Neumann, Sven Helmer, Guido Moerkotte
EDBT
2008
ACM
150views Database» more  EDBT 2008»
14 years 8 months ago
Cost-based query optimization for complex pattern mining on multiple databases
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...
Ruoming Jin, David Fuhry, Abdulkareem Alali
BTW
2007
Springer
142views Database» more  BTW 2007»
14 years 2 months ago
Algebraic Query Optimization for Distributed Top-k Queries
: Distributed top-k query processing is increasingly becoming an essential functionality in a large number of emerging application classes. This paper addresses the efficient alge...
Thomas Neumann, Sebastian Michel