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» Set approximations in fuzzy formal concept analysis
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PODS
2010
ACM
197views Database» more  PODS 2010»
14 years 9 months ago
When data dependencies over SQL tables meet the logics of paradox and S-3
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
Sven Hartmann, Sebastian Link
89
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JAIR
2002
101views more  JAIR 2002»
14 years 9 months ago
Structured Knowledge Representation for Image Retrieval
We propose a structured approach to the problem of retrieval of images by content and present a description logic that has been devised for the semantic indexing and retrieval of ...
Eugenio Di Sciascio, Francesco M. Donini, Marina M...
POPL
2004
ACM
15 years 9 months ago
Tridirectional typechecking
In prior work we introduced a pure type assignment system that encompasses a rich set of property types, including intersections, unions, and universally and existentially quantif...
Joshua Dunfield, Frank Pfenning
VMCAI
2010
Springer
15 years 6 months ago
Advances in Probabilistic Model Checking
In the recent years, there have been a large amount of investigations on safety verification of uncertain continuous systems. In engineering and applied mathematics, this verificat...
Joost-Pieter Katoen
SEFM
2007
IEEE
15 years 3 months ago
Automatically Proving Concurrent Programs Correct
of abstract interpretations in formal methods It is always very satisfying to hear about a theory, in the case at hand it is the theory of abstract interpretations, that explains i...
Byron Cook