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» Discrete Mathematics for Computer Science, Some Notes
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IFIPTCS
2010
15 years 11 days ago
Convexity, Duality and Effects
This paper describes some basic relationships between mathematical structures that are relevant in quantum logic and probability, namely convex sets, effect algebras, and a new cl...
Bart Jacobs
TCS
2011
14 years 9 months ago
Two faces of active learning
An active learner has a collection of data points, each with a label that is initially hidden but can be obtained at some cost. Without spending too much, it wishes to find a cla...
Sanjoy Dasgupta
MOBIHOC
2007
ACM
16 years 2 months ago
Approximation algorithms for longest-lived directional multicast communications in WANETs
Several centralized and distributed algorithms have been recently proposed to maximize the multicast lifetime for directional communications in wireless ad-hoc networks. Their per...
Song Guo, Oliver W. W. Yang, Victor C. M. Leung
TCS
1998
15 years 2 months ago
Dynamical Recognizers: Real-Time Language Recognition by Analog Computers
We consider a model of analog computation which can recognize various languages in real time. We encode an input word as a point in Rd by composing iterated maps, and then apply i...
Cristopher Moore
CSIE
2009
IEEE
15 years 9 months ago
An Improved Algorithm of Digital Watermarking Based on Wavelet Transform
In this paper, a digital image watermarking technique based on Discrete Wavelet Transform (DWT) will be proposed. This scheme is designed utilizing principles deriving from the hu...
Jianhong Sun, Junsheng Li, Zhiyong Li