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SIGMOD
2007
ACM
150views Database» more  SIGMOD 2007»
16 years 4 months ago
Exploiting self-monitoring sample views for cardinality estimation
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
Jingren Zhou, Per-Åke Larson, Peter Zabback,...
ICRA
2009
IEEE
170views Robotics» more  ICRA 2009»
15 years 10 months ago
Path diversity is only part of the problem
— The goal of motion planning is to find a feasible path that connects two positions and is free from collision with obstacles. Path sets are a robust approach to this problem i...
Ross A. Knepper, Matthew T. Mason
ALDT
2009
Springer
142views Algorithms» more  ALDT 2009»
15 years 10 months ago
Finding Best k Policies
Abstract. An optimal probabilistic-planning algorithm solves a problem, usually modeled by a Markov decision process, by finding its optimal policy. In this paper, we study the k ...
Peng Dai, Judy Goldsmith
ATAL
2009
Springer
15 years 10 months ago
Stigmergic reasoning over hierarchical task networks
Stigmergy is usually associated with semantically simple problems such as routing. It can be applied to more complex problems by encoding them in the environment through which sti...
H. Van Dyke Parunak, Theodore C. Belding, Robert B...
ANSS
2007
IEEE
15 years 10 months ago
The JMT Simulator for Performance Evaluation of Non-Product-Form Queueing Networks
This paper describes JSIM: the simulation module of the Java Modelling Tools (JMT), an open-source fully-portable Java suite for capacity planning studies. The simulator has been ...
Marco Bertoli, Giuliano Casale, Giuseppe Serazzi