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PODS
2007
ACM
171views Database» more  PODS 2007»
14 years 7 months ago
Monadic datalog over finite structures with bounded treewidth
Bounded treewidth and Monadic Second Order (MSO) logic have proved to be key concepts in establishing fixed-parameter tractability results. Indeed, by Courcelle's Theorem we ...
Georg Gottlob, Reinhard Pichler, Fang Wei
VC
2002
129views more  VC 2002»
13 years 7 months ago
Modeling a Murex cabritii sea shell with a structured implicit surface modeler
Implicit surface modeling systems have been used since the mid-1980s for the generation of cartoon-like characters. Recently implicit models combined with constructive solid geome...
Callum Galbraith, Przemyslaw Prusinkiewicz, Brian ...
SYNASC
2005
IEEE
84views Algorithms» more  SYNASC 2005»
14 years 1 months ago
Membrane Computing as a Framework for Modeling Economic Processes
Abstract. This paper is a first step towards a systematic evaluation of the possibilities to use membrane computing as a modeling framework for economics. Membrane computing is a ...
Gheorghe Paun, Radu A. Paun
SOFSEM
2010
Springer
14 years 4 months ago
Source Code Rejuvenation Is Not Refactoring
Programmers rely on programming idioms, design patterns, and workaround techniques to make up for missing programming language support. Evolving languages often address frequently ...
Peter Pirkelbauer, Damian Dechev, Bjarne Stroustru...
ASM
2008
ASM
13 years 9 months ago
The Composition of Event-B Models
The transition from classical B [2] to the Event-B language and method [3] has seen the removal of some forms of model structuring and composition, with the intention of reinventin...
Michael Poppleton