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ICFCA
2005
Springer
14 years 3 months ago
On Computing the Minimal Generator Family for Concept Lattices and Icebergs
Minimal generators (or mingen) constitute a remarkable part of the closure space landscape since they are the antipodes of the closures, i.e., minimal sets in the underlying equiva...
Kamal Nehmé, Petko Valtchev, Mohamed Rouane...
LREC
2010
156views Education» more  LREC 2010»
13 years 11 months ago
Constructing of an Ontology-based Lexicon for Bulgarian
In this paper we report on the progress in the creation of an Ontology-based lexicon for Bulgarian. We have started with the concept set from an upper ontology (DOLCE). Then it wa...
Kiril Ivanov Simov, Petya Osenova
PODS
2010
ACM
197views Database» more  PODS 2010»
13 years 10 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
AUTOMATICA
2008
139views more  AUTOMATICA 2008»
13 years 10 months ago
Structured low-rank approximation and its applications
Fitting data by a bounded complexity linear model is equivalent to low-rank approximation of a matrix constructed from the data. The data matrix being Hankel structured is equival...
Ivan Markovsky
IJRR
2008
100views more  IJRR 2008»
13 years 10 months ago
Comparing the Power of Robots
Robots must complete their tasks in spite of unreliable actuators and limited, noisy sensing. In this paper, we consider the information requirements of such tasks. What sensing a...
Jason M. O'Kane, Steven M. LaValle