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182
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FUIN
2008
81views more  FUIN 2008»
15 years 7 months ago
A Cancellation Theorem for BCCSP
This paper presents a cancellation theorem for the preorders in van Glabbeek's linear time-branching time spectrum over BCCSP. Apart from having some intrinsic interest, the p...
Luca Aceto, Wan Fokkink, Anna Ingólfsd&oacu...
CORR
2006
Springer
132views Education» more  CORR 2006»
15 years 6 months ago
Streaming Maximum-Minimum Filter Using No More than Three Comparisons per Element
The running maximum-minimum (MAX-MIN) filter computes the maxima and minima over running windows of size w. This filter has numerous applications in signal processing and time seri...
Daniel Lemire
MLQ
2002
67views more  MLQ 2002»
15 years 6 months ago
Intuitionistic Fixed Point Theories for Strictly Positive Operators
In this paper it is shown that the intuitionistic fixed point theory ID i (strict) for times iterated fixed points of strictly positive operator forms is conservative for negativ...
Christian Rüede, Thomas Strahm
165
Voted
GIS
2010
ACM
15 years 5 months ago
Extracting moving regions from spatial data
We provide an algorithm that can construct a valid moving region from snapshots of a region in time. Our algorithm is robust in the sense that given valid input regions, the gener...
Mark McKenney, James Webb
DLOG
2011
14 years 10 months ago
On (In)Tractability of OBDA with OWL 2 QL
We show that, although conjunctive queries over OWL 2 QL ontologies are reducible to database queries, no algorithm can construct such a reduction in polynomial time without changi...
Stanislav Kikot, Roman Kontchakov, Michael Zakhary...