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113
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FORMATS
2005
Springer
15 years 6 months ago
On Optimal Timed Strategies
In this paper, we study timed games played on weighted timed automata. In this context, the reachability problem asks if, given a set T of locations and a cost C, Player 1 has a st...
Thomas Brihaye, Véronique Bruyère, J...
100
Voted
ICDT
2005
ACM
125views Database» more  ICDT 2005»
15 years 6 months ago
PTIME Queries Revisited
The existence of a language expressing precisely the PTIME queries on arbitrary structures remains the central open problem in the theory of database query languages. As it turns o...
Alan Nash, Jeffrey B. Remmel, Victor Vianu
RTA
2005
Springer
15 years 6 months ago
Intruder Deduction for AC-Like Equational Theories with Homomorphisms
Cryptographic protocols are small programs which involve a high level of concurrency and which are difficult to analyze by hand. The most successful methods to verify such protocol...
Pascal Lafourcade, Denis Lugiez, Ralf Treinen
119
Voted
STACS
2004
Springer
15 years 6 months ago
Deterministic Truthful Approximation Mechanisms for Scheduling Related Machines
Abstract. We consider the problem of scheduling jobs on related machines owned by selfish agents and provide the first deterministic mechanisms with constant approximation that a...
Vincenzo Auletta, Roberto De Prisco, Paolo Penna, ...
91
Voted
SPAA
2003
ACM
15 years 6 months ago
Relaxing the problem-size bound for out-of-core columnsort
Previous implementations of out-of-core columnsort limit the problem size to N ≤ (M/P)3/2, where N is the number of records to sort, P is the number of processors, and M is the ...
Geeta Chaudhry, Elizabeth A. Hamon, Thomas H. Corm...