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GRC
2007
IEEE
13 years 8 months ago
Privacy Preserving Collaborative Filtering Using Data Obfuscation
Collaborative filtering (CF) systems are being widely used in E-commerce applications to provide recommendations to users regarding products that might be of interest to them. Th...
Rupa Parameswaran, Douglas M. Blough
ADT
2008
13 years 8 months ago
Evaluating voice traffic requirements on IEEE 802.11 ad hoc networks
This paper analyzes voice transmission capacity on IEEE 802.11 ad hoc networks by performing simulations related to delay, jitter, loss rate, and consecutive losses. We evaluate th...
Pedro B. Velloso, Marcelo G. Rubinstein, Otto Carl...
CORR
2008
Springer
127views Education» more  CORR 2008»
13 years 8 months ago
Achieving Near-Capacity at Low SNR on a Multiple-Antenna Multiple-User Channel
We analyze the sensitivity of the capacity of a multi-antenna multi-user system to the number of users being served. We show analytically that, for a given desired sum-rate, the e...
Chau Yuen, Bertrand M. Hochwald
MCS
2008
Springer
13 years 8 months ago
Numerical optimal control of the wave equation: optimal boundary control of a string to rest in finite time
In many real-life applications of optimal control problems with constraints in form of partial differential equations (PDEs), hyperbolic equations are involved which typically desc...
Matthias Gerdts, Günter Greif, Hans Josef Pes...
TIFS
2008
137views more  TIFS 2008»
13 years 8 months ago
Hierarchical Watermarking of Semiregular Meshes Based on Wavelet Transform
This paper presents a hierarchical watermarking framework for semiregular meshes. Three blind watermarks are inserted in a semiregular mesh with different purposes: a geometrically...
Kai Wang, Guillaume Lavoué, Florence Denis,...