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CP
2007
Springer
16 years 26 days ago
Groupoids and Conditional Symmetry
We introduce groupoids – generalisations of groups in which not all pairs of elements may be multiplied, or, equivalently, categories in which all morphisms are invertible – as...
Ian P. Gent, Tom Kelsey, S. A. Linton, J. Pearson,...
CP
2007
Springer
16 years 26 days ago
A Compression Algorithm for Large Arity Extensional Constraints
We present an algorithm for compressing table constraints representing allowed or disallowed tuples. This type of constraint is used for example in configuration problems, where t...
George Katsirelos, Toby Walsh
186
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CPAIOR
2007
Springer
16 years 26 days ago
A Position-Based Propagator for the Open-Shop Problem
The Open-Shop Problem is a hard problem that can be solved using Constraint Programming or Operation Research methods. Existing techniques are efficient at reducing the search tree...
Jean-Noël Monette, Yves Deville, Pierre Dupon...
CRYPTO
2007
Springer
132views Cryptology» more  CRYPTO 2007»
16 years 26 days ago
How Should We Solve Search Problems Privately?
Abstract. Secure multiparty computation allows a group of distrusting parties to jointly compute a (possibly randomized) function of their inputs. However, it is often the case tha...
Amos Beimel, Tal Malkin, Kobbi Nissim, Enav Weinre...
CSL
2007
Springer
16 years 26 days ago
A Cut-Free and Invariant-Free Sequent Calculus for PLTL
Abstract. Sequent calculi usually provide a general deductive setting that uniformly embeds other proof-theoretical approaches, such as tableaux methods, resolution techniques, goa...
Joxe Gaintzarain, Montserrat Hermo, Paqui Lucio, M...