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INDOCRYPT
2005
Springer
15 years 3 months ago
Completion Attacks and Weak Keys of Oleshchuk's Public Key Cryptosystem
This paper revisits a public key cryptosystem which is based on finite string-rewriting systems. We consider a new approach for cryptanalysis of such proposals—the so-called com...
Heiko Stamer
LPNMR
2005
Springer
15 years 3 months ago
An Algebraic Account of Modularity in ID-Logic
ID-logic uses ideas from the field of logic programming to extend second order logic with non-monotone inductive defintions. In this work, we reformulate the semantics of this lo...
Joost Vennekens, Marc Denecker
59
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PPSN
2004
Springer
15 years 3 months ago
Fitness Distributions and GA Hardness
Considerable research effort has been spent in trying to formulate a good definition of GA-Hardness. Given an instance of a problem, the objective is to estimate the performance of...
Yossi Borenstein, Riccardo Poli
DAWAK
2003
Springer
15 years 2 months ago
Computing SQL Queries with Boolean Aggregates
We introduce a new method for optimization of SQL queries with nested subqueries. The method is based on the idea of Boolean aggregates, aggregates that compute the conjunction or ...
Antonio Badia
EPIA
2001
Springer
15 years 2 months ago
Permissive Belief Revision
Abstract. We propose a new operation of belief revision, called permissive belief revision. The underlying idea of permissive belief revision is to replace the beliefs that are aba...
Maria R. Cravo, João P. Cachopo, Ana C. Cac...