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» Complexity of Non-Monotonic Logics
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86
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EUROPAR
2007
Springer
15 years 6 months ago
Hirschberg's Algorithm on a GCA and Its Parallel Hardware Implementation
We present in detail a GCA (Global Cellular Automaton) algorithm with 3n cells for Hirschberg’s algorithm which determines the connected components of a n-node undirected graph w...
Johannes Jendrsczok, Rolf Hoffmann, Jörg Kell...
ICLP
2005
Springer
15 years 6 months ago
OWL: A Description Logic Based Ontology Language
Abstract Description Logics (DLs) are a family of class (concept) based knowledge representation formalisms. They are characterised by the use of various constructors to build comp...
Ian Horrocks
192
Voted
POPL
2008
ACM
16 years 1 months ago
Lightweight semiformal time complexity analysis for purely functional data structures
Okasaki and others have demonstrated how purely functional data structures that are efficient even in the presence of persistence can be constructed. To achieve good time bounds e...
Nils Anders Danielsson
97
Voted
ICALP
2009
Springer
16 years 1 months ago
High Complexity Tilings with Sparse Errors
Abstract. Tile sets and tilings of the plane appear in many topics ranging from logic (the Entscheidungsproblem) to physics (quasicrystals). The idea is to enforce some global prop...
Bruno Durand, Andrei E. Romashchenko, Alexander Sh...
PODS
2008
ACM
141views Database» more  PODS 2008»
16 years 25 days ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob