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CORR
2002
Springer
87views Education» more  CORR 2002»
13 years 7 months ago
Ultimate approximations in nonmonotonic knowledge representation systems
We study xpoints of operators on lattices. To this end we introduce the notion of an approximation of an operator. We order approximations by means of a precision ordering. We sho...
Marc Denecker, V. Wiktor Marek, Miroslaw Truszczyn...
PPDP
2007
Springer
14 years 2 months ago
Real-time rewriting semantics of orc
Orc is a language proposed by Jayadev Misra [19] for orchestration of distributed services. Orc is very simple and elegant, based on a few basic constructs, and allows succinct an...
Musab AlTurki, José Meseguer
IWFM
1998
13 years 9 months ago
Towards an Override in Topoi
Models of software systems are built in Z and VDM using partial functions between sets and certain operations on these partial functions : extension ( ), restriction ( ), removal ...
Arthur P. Hughes
GECCO
2009
Springer
112views Optimization» more  GECCO 2009»
14 years 2 months ago
Approximating geometric crossover in semantic space
We propose a crossover operator that works with genetic programming trees and is approximately geometric crossover in the semantic space. By defining semantic as program’s eval...
Krzysztof Krawiec, Pawel Lichocki
ESWS
2004
Springer
14 years 1 months ago
S-Match: an Algorithm and an Implementation of Semantic Matching
Abstract. We think of Match as an operator which takes two graph-like structures and produces a mapping between those nodes of the two graphs that correspond semantically to each o...
Fausto Giunchiglia, Pavel Shvaiko, Mikalai Yatskev...