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CSL
2007
Springer
16 years 17 days ago
Forest Expressions
We define regular expressions for unranked trees (actually, ordered sequences of unranked trees, called forests). These are compared to existing regular expressions for trees. On ...
Mikolaj Bojanczyk
ASP
2003
Springer
15 years 11 months ago
Integrating Semantic Web Reasoning and Answer Set Programming
Abstract. We integrate an expressive class of description logics (DLs) and answer set programming by extending the latter to support inverted predicates and infinite domains, feat...
Stijn Heymans, Dirk Vermeir
ESOP
2000
Springer
15 years 10 months ago
A Kleene Analysis of Mobile Ambients
Abstract. We show how a program analysis technique originally developed for C-like pointer structures can be adapted to analyse the hierarchical structure of processes in the ambie...
Flemming Nielson, Hanne Riis Nielson, Shmuel Sagiv
FLOPS
2008
Springer
15 years 8 months ago
Termination of Narrowing in Left-Linear Constructor Systems
Narrowing extends rewriting with logic capabilities by allowing free variables in terms and replacing matching with unification. Narrowing has been widely used in different context...
Germán Vidal
HIS
2003
15 years 7 months ago
On a Set Theory With Uncertain Membership Relations
We logically model uncertainty by expanding language without changing logical reasoning rules. We expand the language of set theory by adding new predicate symbols, uncertain membe...
Shunsuke Yatabe, Yuzuru Kakuda, Makoto Kikuchi