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JAC
2008
15 years 8 months ago
Tilings and model theory
In this paper we emphasize the links between model theory and tilings. More precisely, after giving the definitions of what tilings are, we give a natural way to have an interpreta...
Alexis Ballier, Emmanuel Jeandel
DLOG
2011
14 years 10 months ago
Status QIO: An Update
We prove co-N2ExpTime-hardness for conjunctive query entailment in the description logic ALCOIF , thus improving the previously known 2ExpTime lower bound. The result transfers to ...
Birte Glimm, Yevgeny Kazakov, Carsten Lutz
DAC
2006
ACM
16 years 7 months ago
State encoding of large asynchronous controllers
A novel method to solve the state encoding problem in Signal Transition Graphs is presented. It is based on the structural theory of Petri nets and can be applied to large specifi...
Josep Carmona, Jordi Cortadella
AISB
2008
Springer
15 years 8 months ago
Substitution for Fraenkel-Mostowski foundations
Abstract. A fundamental and unanalysed logical concept is substitution. This seemingly innocuous operation -- substituting a variable for a term or valuating a variable to an eleme...
Murdoch Gabbay, Michael Gabbay
ATAL
2008
Springer
15 years 8 months ago
Verifying Social Expectations by Model Checking Truncated Paths
One approach to moderating the expected behaviour of agents in open societies is the use of explicit languages for defining norms, conditional commitments and/or social expectation...
Stephen Cranefield, Michael Winikoff