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» The Expressive Rate of Constraints
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PVLDB
2010
151views more  PVLDB 2010»
15 years 5 months ago
Advanced Processing for Ontological Queries
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
Andrea Calì, Georg Gottlob, Andreas Pieris
DCC
2007
IEEE
16 years 6 months ago
Bounds on Redundancy in Constrained Delay Arithmetic Coding
We address the problem of a finite delay constraint in an arithmetic coding system. Due to the nature of the arithmetic coding process, source sequences causing arbitrarily large ...
Ofer Shayevitz, Eado Meron, Meir Feder, Ram Zamir
TIT
2002
78views more  TIT 2002»
15 years 6 months ago
Tradeoffs between the excess-code-length exponent and the excess-distortion exponent in lossy source coding
Lossy compression of a discrete memoryless source (DMS) with respect to a single-letter distortion measure is considered. We study the best attainable tradeoff between the exponent...
Tsachy Weissman, Neri Merhav
BMCBI
2011
15 years 1 months ago
Sequential Interim Analyses of Survival Data in DNA Microarray Experiments
Background: Discovery of biomarkers that are correlated with therapy response and thus with survival is an important goal of medical research on severe diseases, e.g. cancer. Freq...
Andreas Leha, Tim Beißbarth, Klaus Jung
ECCV
1994
Springer
16 years 8 months ago
Recursive Non-Linear Estimation of Discontinuous Flow Fields
Abstract. This paper de nes a temporal continuity constraint that expresses assumptions about the evolution of 2D image velocity, or optical ow, over a sequence of images. Temporal...
Michael J. Black