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» Some Properties and Some Problems on Set Functors
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WIA
2000
Springer
15 years 10 months ago
Generalizing the Discrete Timed Automaton
Abstract. We describe a general automata-theoretic approach for analyzing the verification problems (binary reachability, safety, etc.) of discrete timed automata augmented with va...
Oscar H. Ibarra, Jianwen Su
DLOG
2009
15 years 7 months ago
Using Description Logics in Relation Based Access Control
Relation Based Access Control (RelBAC) is an access control model designed for the new scenarios of access control on Web 2.0. Under this model, we discuss in this paper how to for...
Rui Zhang, Alessandro Artale, Fausto Giunchiglia, ...
ENTCS
2002
108views more  ENTCS 2002»
15 years 6 months ago
Rewriting in the partial algebra of typed terms modulo AC
We study the partial algebra of typed terms with an associative commutative and idempotent operator (typed AC-terms). The originality lies in the representation of the typing poli...
Thomas Colcombet
SIAMJO
2002
73views more  SIAMJO 2002»
15 years 6 months ago
Nonlinearly Constrained Best Approximation in Hilbert Spaces: The Strong CHIP and the Basic Constraint Qualification
We study best approximation problems with nonlinear constraints in Hilbert spaces. The strong "conical hull intersection property" (CHIP) and the "basic constraint q...
Chong Li, Xiao-Qing Jin
DM
2008
116views more  DM 2008»
15 years 6 months ago
Breaking the rhythm on graphs
We study graph colorings avoiding periodic sequences with large number of blocks on paths. The main problem is to decide, for a given class of graphs F, if there are absolute const...
Noga Alon, Jaroslaw Grytczuk