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» Temporal Theories of Reasoning
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CSL
2004
Springer
15 years 9 months ago
The Boundary Between Decidability and Undecidability for Transitive-Closure Logics
To reason effectively about programs, it is important to have some version of a transitive-closure operator so that we can describe such notions as the set of nodes reachable from ...
Neil Immerman, Alexander Moshe Rabinovich, Thomas ...
LPNMR
1990
Springer
15 years 8 months ago
The meaning of Negative Premises in Transition System Specifications
We present a general theory for the use of negative premises in the rules of Transition System Specifications (TSSs). We formulate a criterion that should be satisfied by a TSS in ...
Roland N. Bol, Jan Friso Groote
DLOG
2008
15 years 6 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
TRECVID
2007
15 years 5 months ago
PicSOM Experiments in TRECVID 2007
Our experiments in TRECVID 2007 include participation in the high-level feature extraction, search, and video summarization tasks, using a common system framework based on multipl...
Markus Koskela, Mats Sjöberg, Ville Viitaniem...
TABLEAUX
2009
Springer
15 years 11 months ago
A Novel Architecture for Situation Awareness Systems
Situation Awareness (SA) is the problem of comprehending elements of an environment within a volume of time and space. It is a crucial factor in decision-making in dynamic environm...
Franz Baader, Andreas Bauer 0002, Peter Baumgartne...