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» Data-Layout Optimization Using Reuse Distance Distribution
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VLDB
1997
ACM
97views Database» more  VLDB 1997»
15 years 2 months ago
The Complexity of Transformation-Based Join Enumeration
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
Arjan Pellenkoft, César A. Galindo-Legaria,...
ISPAN
2002
IEEE
15 years 2 months ago
A New Parallel Genetic Algorithm
One problem of propagating the globally fittest individual via neighbourhood evolving in both island model and cellular model of existing parallel genetic algorithms (PGA) is that...
Ling Tan, David Taniar, Kate A. Smith
ICS
2000
Tsinghua U.
15 years 1 months ago
Improving parallel system performance by changing the arrangement of the network links
The Midimew network is an excellent contender for implementing the communication subsystem of a high performance computer. This network is an optimal 2D topology in the sense ther...
Valentin Puente, Cruz Izu, José A. Gregorio...
GIS
2005
ACM
15 years 11 months ago
Two ellipse-based pruning methods for group nearest neighbor queries
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
Hongga Li, Hua Lu, Bo Huang, Zhiyong Huang
GECCO
2008
Springer
146views Optimization» more  GECCO 2008»
14 years 11 months ago
A formal performance modeling framework for bio-inspired ad hoc routing protocols
Bio-inspired ad hoc routing is an active area of research. The designers of these algorithms predominantly evaluate the performance of their protocols with the help of simulation ...
Muhammad Saleem, Syed Ali Khayam, Muddassar Farooq