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139
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AMAI
2005
Springer
15 years 4 months ago
A SAT approach to query optimization in mediator systems
Mediator systems integrate distributed, heterogeneous and autonomous data sources, but their e ective use requires the solution of hard query optimization problems. This is usuall...
Steven David Prestwich, Stéphane Bressan
ISCI
2002
86views more  ISCI 2002»
15 years 4 months ago
Schedulable region for VBR media transmission with optimal resource allocation and utilization
Media data are VBR in nature due to the coding and compression technologies applied. As VBR streams are complicated for network management, different approaches were proposed to s...
Ray-I Chang, Meng Chang Chen, Jan-Ming Ho, Ming-Ta...
RAS
2002
129views more  RAS 2002»
15 years 4 months ago
Finding and optimizing solvable priority schemes for decoupled path planning techniques for teams of mobile robots
Coordinating the motion of multiple mobile robots is one of the fundamental problems in robotics. The predominant algorithms for coordinating teams of robots are decoupled and pri...
Maren Bennewitz, Wolfram Burgard, Sebastian Thrun
141
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FUIN
2010
109views more  FUIN 2010»
15 years 3 months ago
Combinatorial Optimization Solutions for the Maximum Quartet Consistency Problem
Given a set of taxa S and a complete set of quartet topologies Q over S, the problem of determining a phylogeny that satisfies the maximum number of topologies is called the Maxi...
António Morgado, João Marques-Silva
WIOPT
2010
IEEE
15 years 2 months ago
Optimizing power allocation in interference channels using D.C. programming
Abstract--Power allocation is a promising approach for optimizing the performance of mobile radio systems in interference channels. In the present paper, the non-convex objective f...
Hussein Al-Shatri, Tobias Weber