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» On the Complexity of Partial Order Properties
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ZUM
2000
Springer
15 years 9 months ago
Retrenchment, Refinement, and Simulation
: Retrenchment is introduced as a liberalisation of refinement intended to address some of the shortcomings of refinement as sole means of progressing from simple abstract models t...
Richard Banach, Michael Poppleton
138
Voted
AAAI
2008
15 years 8 months ago
Prime Implicate Normal Form for ALC Concepts
In this paper, we present a normal form for concept expressions in the description logic ALC which is based on a recently introduced notion of prime implicate for the modal logic ...
Meghyn Bienvenu
JANCL
2007
115views more  JANCL 2007»
15 years 6 months ago
A logical characterisation of qualitative coalitional games
Qualitative coalitional games (QCGs) were introduced as abstract formal models of goal-oriented cooperative systems. A QCG is a game in which each agent is assumed to have some goa...
Paul E. Dunne, Wiebe van der Hoek, Michael Wooldri...
TKDE
2008
111views more  TKDE 2008»
15 years 6 months ago
A Point Symmetry-Based Clustering Technique for Automatic Evolution of Clusters
In this paper, a new symmetry-based genetic clustering algorithm is proposed which automatically evolves the number of clusters as well as the proper partitioning from a data set. ...
Sanghamitra Bandyopadhyay, Sriparna Saha
JMIV
2007
83views more  JMIV 2007»
15 years 6 months ago
Minimization of a Detail-Preserving Regularization Functional for Impulse Noise Removal
Recently, a powerful two-phase method for restoring images corrupted with high level impulse noise has been developed. The main drawback of the method is the computational efficie...
Jian-Feng Cai, Raymond H. Chan, Carmine Di Fiore