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212
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COMPGEOM
2009
ACM
16 years 2 months ago
Computing hereditary convex structures
Color red and blue the n vertices of a convex polytope P in R3 . Can we compute the convex hull of each color class in o(n log n)? What if we have χ > 2 colors? What if the co...
Bernard Chazelle, Wolfgang Mulzer
187
Voted
IMC
2009
ACM
16 years 2 months ago
An analysis of packet sampling in the frequency domain
Packet sampling techniques introduce measurement errors that should be carefully handled in order to correctly characterize the network behavior. In the literature several works h...
Luigi Alfredo Grieco, Chadi Barakat
230
Voted
MM
2009
ACM
269views Multimedia» more  MM 2009»
16 years 2 months ago
Semi-supervised topic modeling for image annotation
We propose a novel technique for semi-supervised image annotation which introduces a harmonic regularizer based on the graph Laplacian of the data into the probabilistic semantic ...
Yuanlong Shao, Yuan Zhou, Xiaofei He, Deng Cai, Hu...
188
Voted
RECSYS
2009
ACM
16 years 2 months ago
FriendSensing: recommending friends using mobile phones
We propose FriendSensing, a framework that automatically suggests friends to mobile social-networking users. Using short-range technologies (e.g., Bluetooth) on her mobile phone, ...
Daniele Quercia, Licia Capra
CDC
2008
IEEE
103views Control Systems» more  CDC 2008»
16 years 2 months ago
Symbolic models for nonlinear control systems affected by disturbances
Abstract— Symbolic models are abstract descriptions of continuous systems in which symbols represent aggregates of continuous states. In the last few years there has been a growi...
Giordano Pola, Paulo Tabuada