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MFCS
2010
Springer
13 years 10 months ago
Properties of Visibly Pushdown Transducers
Abstract. Visibly pushdown transducers (VPTs) form a strict subclass of pushdown transducers (PTs) that extends finite state transducers with a stack. Like visibly pushdown automa...
Emmanuel Filiot, Jean-François Raskin, Pier...
KSEM
2010
Springer
13 years 10 months ago
Autonomy: Life and Being
This paper uses robot experience to explore key concepts of autonomy, life and being. Unfortunately, there are no widely accepted definitions of autonomy, life or being. Using a ne...
Mary-Anne Williams
KSEM
2010
Springer
13 years 10 months ago
Discovery of Relation Axioms from the Web
Given the proven usefulness of ontologies in many areas, the representation of logical axioms associated to ontological concepts and relations has become an important task in order...
Luis Del Vasto Terrientes, Antonio Moreno, David S...
KSEM
2010
Springer
13 years 10 months ago
A Comparison of Merging Operators in Possibilistic Logic
Abstract. In this paper, we compare merging operators in possibilistic logic. We first propose an approach to evaluating the discriminating power of a merging operator. After that...
Guilin Qi, Weiru Liu, David A. Bell
KSEM
2010
Springer
13 years 10 months ago
Towards Scalable Instance Retrieval over Ontologies
In this paper, we consider the problem of query answering over large multimedia ontologies. Traditional reasoning systems may have problems to deal with large amounts of expressive...
Alissa Kaplunova, Ralf Möller, Sebastian Wand...
TCS
2008
13 years 10 months ago
Extension of Brzozowski's derivation calculus of rational expressions to series over the free partially commutative monoids
We introduce an extension of the derivatives of rational expressions to expressions denoting formal power series over partially commuting variables. The expressions are purely non...
Jean Berstel, Christophe Reutenauer
ISVD
2010
IEEE
13 years 10 months ago
Guaranteed Quality Tetrahedral Delaunay Meshing for Medical Images
—In this paper, we present a Delaunay refinement algorithm for meshing 3D medical images. We prove that (a) all the tetrahedra of the output mesh have radius-edge ratio less tha...
Panagiotis A. Foteinos, Andrey N. Chernikov, Nikos...
ISVD
2010
IEEE
13 years 10 months ago
Alpha Shape Topology of the Cosmic Web
—We study the topology of the Megaparsec Cosmic Web on the basis of the Alpha Shapes of the galaxy distribution. The simplicial complexes of the alpha shapes are used to determin...
Rien van de Weygaert, Erwin Platen, Gert Vegter, B...