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MOR
2000
90views more  MOR 2000»
13 years 7 months ago
A PTAS for Minimizing the Total Weighted Completion Time on Identical Parallel Machines
We consider the problem of scheduling a set of n jobs on m identical parallel machines so as to minimize the weighted sum of job completion times. This problem is NP-hard in the s...
Martin Skutella, Gerhard J. Woeginger
TACAS
2010
Springer
342views Algorithms» more  TACAS 2010»
14 years 2 months ago
SAT Based Bounded Model Checking with Partial Order Semantics for Timed Automata
We study the model checking problem of timed automata based on SAT solving. Our work investigates alternative possibilities for coding the SAT reductions that are based on parallel...
Janusz Malinowski, Peter Niebert
ICCAD
2009
IEEE
98views Hardware» more  ICCAD 2009»
13 years 5 months ago
A rigorous framework for convergent net weighting schemes in timing-driven placement
We present a rigorous framework that defines a class of net weighting schemes in which unconstrained minimization is successively performed on a weighted objective. We show that, ...
Tony F. Chan, Jason Cong, Eric Radke
CORR
2010
Springer
79views Education» more  CORR 2010»
13 years 7 months ago
Quantitative Games on Probabilistic Timed Automata
Abstract. Two-player zero-sum games are a well-established model for synthesising controllers that optimise some performance criterion. In such games one player represents the cont...
Marta Z. Kwiatkowska, Gethin Norman, Ashutosh Triv...
CPM
2005
Springer
105views Combinatorics» more  CPM 2005»
14 years 1 months ago
Reducing the Size of NFAs by Using Equivalences and Preorders
Abstract. The efficiency of regular expression matching algorithms depends very much on the size of the nondeterministic finite automata (NFA) obtained from regular expressions. R...
Lucian Ilie, Roberto Solis-Oba, Sheng Yu