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135
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CEC
2008
IEEE
15 years 5 months ago
Directed trees: A powerful representation for sorting and ordering problems
We present a simple framework for dealing with search spaces consisting of permutations. To demonstrate its usefulness, we build upon it a simple (1 + 1)-evolutionary algorithm fo...
Benjamin Doerr, Edda Happ
150
Voted
CTRSA
2008
Springer
111views Cryptology» more  CTRSA 2008»
15 years 5 months ago
Efficient Fully-Simulatable Oblivious Transfer
Oblivious transfer, first introduced by Rabin, is one of the basic building blocks of cryptographic protocols. In an oblivious transfer (or more exactly, in its 1-out-of-2 variant...
Andrew Y. Lindell
121
Voted
DLS
2008
213views Languages» more  DLS 2008»
15 years 5 months ago
A parsing machine for PEGs
Parsing Expression Grammar (PEG) is a recognition-based foundation for describing syntax that renewed interest in top-down parsing approaches. Generally, the implementation of PEG...
Sérgio Medeiros, Roberto Ierusalimschy
141
Voted
ER
2008
Springer
110views Database» more  ER 2008»
15 years 5 months ago
Conjunctive Query Containment under Access Limitations
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
Andrea Calì, Davide Martinenghi
131
Voted
FLOPS
2008
Springer
15 years 5 months ago
Formalizing a Constraint Deductive Database Language Based on Hereditary Harrop Formulas with Negation
In this paper, we present an extension of the scheme HH(C) (Hereditary Harrop formulas with Constraints) with a suitable formulation of negation in order to obtain a constraint ded...
Susana Nieva, Jaime Sánchez-Hernánde...