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126
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WSDM
2012
ACM
301views Data Mining» more  WSDM 2012»
13 years 8 months ago
Learning evolving and emerging topics in social media: a dynamic nmf approach with temporal regularization
As massive repositories of real-time human commentary, social media platforms have arguably evolved far beyond passive facilitation of online social interactions. Rapid analysis o...
Ankan Saha, Vikas Sindhwani
130
Voted
SODA
2012
ACM
196views Algorithms» more  SODA 2012»
13 years 3 months ago
Polytope approximation and the Mahler volume
The problem of approximating convex bodies by polytopes is an important and well studied problem. Given a convex body K in Rd , the objective is to minimize the number of vertices...
Sunil Arya, Guilherme Dias da Fonseca, David M. Mo...
143
Voted
CVPR
2012
IEEE
13 years 3 months ago
Video segmentation by tracing discontinuities in a trajectory embedding
Our goal is to segment a video sequence into moving objects and the world scene. In recent work, spectral embedding of point trajectories based on 2D motion cues accumulated from ...
Katerina Fragkiadaki, Geng Zhang, Jianbo Shi
108
Voted
TVCG
2012
195views Hardware» more  TVCG 2012»
13 years 3 months ago
Hierarchical Streamline Bundles
—Effective three-dimensional streamline placement and visualization plays an essential role in many science and engineering disciplines. The main challenge for effective streamli...
Hongfeng Yu, Chaoli Wang, Ching-Kuang Shene, Jacqu...
125
Voted
EUROCRYPT
2012
Springer
13 years 3 months ago
Improving the Complexity of Index Calculus Algorithms in Elliptic Curves over Binary Fields
Abstract. The goal of this paper is to further study the index calculus method that was first introduced by Semaev for solving the ECDLP and later developed by Gaudry and Diem. In...
Jean-Charles Faugère, Ludovic Perret, Chris...