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» The Expression Problem Revisited
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156
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SIAMIS
2008
174views more  SIAMIS 2008»
15 years 3 months ago
Efficient Reconstruction of Piecewise Constant Images Using Nonsmooth Nonconvex Minimization
We consider the restoration of piecewise constant images where the number of the regions and their values are not fixed in advance, with a good difference of piecewise constant val...
Mila Nikolova, Michael K. Ng, Shuqin Zhang, Wai-Ki...
135
Voted
SIGECOM
2008
ACM
155views ECommerce» more  SIGECOM 2008»
15 years 3 months ago
Tight information-theoretic lower bounds for welfare maximization in combinatorial auctions
We provide tight information-theoretic lower bounds for the welfare maximization problem in combinatorial auctions. In this problem, the goal is to partition m items among k bidde...
Vahab S. Mirrokni, Michael Schapira, Jan Vondr&aac...
144
Voted
TVCG
2008
108views more  TVCG 2008»
15 years 3 months ago
Particle-based labeling: Fast point-feature labeling without obscuring other visual features
In many information visualization techniques, labels are an essential part to communicate the visualized data. To preserve the expressiveness of the visual representation, a placed...
Martin Luboschik, Heidrun Schumann, Hilko Cords
131
Voted
LOGCOM
2007
130views more  LOGCOM 2007»
15 years 3 months ago
A Logic for Concepts and Similarity
Categorisation of objects into classes is currently supported by (at least) two ‘orthogonal’ methods. In logic-based approaches, classifications are defined through ontologi...
Mikhail Sheremet, Dmitry Tishkovsky, Frank Wolter,...
170
Voted
ANSOFT
2002
126views more  ANSOFT 2002»
15 years 3 months ago
The Real-Time Process Algebra (RTPA)
Abstract. The real-time process algebra (RTPA) is a set of new mathematical notations for formally describing system architectures, and static and dynamic behaviors. It is recogniz...
Yingxu Wang