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» New results in optimal quadratic supply rates
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SIGMOD
2010
ACM
173views Database» more  SIGMOD 2010»
14 years 19 days ago
PR-join: a non-blocking join achieving higher early result rate with statistical guarantees
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
Shimin Chen, Phillip B. Gibbons, Suman Nath
INFORMS
2010
147views more  INFORMS 2010»
13 years 5 months ago
Exact Algorithms for the Quadratic Linear Ordering Problem
The quadratic linear ordering problem naturally generalizes various optimization problems, such as bipartite crossing minimization or the betweenness problem, which includes linear...
Christoph Buchheim, Angelika Wiegele, Lanbo Zheng
JUCS
2007
186views more  JUCS 2007»
13 years 7 months ago
An Hybrid Fuzzy Variable Neighborhood Particle Swarm Optimization Algorithm for Solving Quadratic Assignment Problems
: Recently, Particle Swarm Optimization (PSO) algorithm has exhibited good performance across a wide range of application problems. A quick review of the literature reveals that re...
Hongbo Liu, Ajith Abraham
SIGMOD
2005
ACM
118views Database» more  SIGMOD 2005»
14 years 8 months ago
RPJ: Producing Fast Join Results on Streams through Rate-based Optimization
We consider the problem of "progressively" joining relations whose records are continuously retrieved from remote sources through an unstable network that may incur temp...
Yufei Tao, Man Lung Yiu, Dimitris Papadias, Marios...
DSS
2011
12 years 11 months ago
A multi-objective optimization for green supply chain network design
: We study a new supply chain network design problem with environmental concerns. We are interested in the environmental investments decisions in the design phase and propose a mul...
Fan Wang, Xiaofan Lai, Ning Shi