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ICLP
2009
Springer
16 years 4 months ago
Demand-Driven Normalisation for ACD Term Rewriting
ACD Term Rewriting (ACDTR) is term rewriting modulo associativity, commutativity, and a limited form of distributivity called conjunctive context. Previous work presented an implem...
Leslie De Koninck, Gregory J. Duck, Peter J. Stuck...
ICLP
2009
Springer
16 years 4 months ago
Constraint Answer Set Solving
We present a new approach to integrating Constraint Processing (CP) techniques into Answer Set Programming (ASP). Based on an alternative semantic approach, we develop an algorithm...
Martin Gebser, Max Ostrowski, Torsten Schaub
ICLP
2009
Springer
16 years 4 months ago
Finding Similar or Diverse Solutions in Answer Set Programming
We study finding similar or diverse solutions of a given computational problem, in answer set programming, and introduce offline methods and online methods to compute them using an...
Thomas Eiter, Esra Erdem, Halit Erdogan, Michael F...
GIS
2009
ACM
15 years 11 months ago
Towards a probabilistic time geography
Time geography uses space-time volumes to represent the possible locations of a mobile agent over time in a x-y-t space. Space-time volumes are qualitative statements, enabling qu...
Stephan Winter
LICS
2009
IEEE
15 years 11 months ago
Wreath Products of Forest Algebras, with Applications to Tree Logics
—We use the recently developed theory of forest algebras to find algebraic characterizations of the languages of unranked trees and forests definable in various logics. These i...
Mikolaj Bojanczyk, Howard Straubing, Igor Walukiew...