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VISSYM
2003
14 years 11 months ago
Improving Topological Segmentation of Three-dimensional Vector Fields
We present three enhancements to accelerate the extraction of separatrices of three-dimensional vector fields, using intelligently selected “sample” streamlines. These enhanc...
Karim Mahrous, Janine Bennett, Bernd Hamann, Kenne...
WWW
2009
ACM
15 years 10 months ago
A geographical analysis of knowledge production in computer science
We analyze knowledge production in Computer Science by means of coauthorship networks. For this, we consider 30 graduate programs of different regions of the world, being 8 progra...
Alberto H. F. Laender, Guilherme Vale Menezes, Niv...
KDD
2008
ACM
140views Data Mining» more  KDD 2008»
15 years 10 months ago
On updates that constrain the features' connections during learning
In many multiclass learning scenarios, the number of classes is relatively large (thousands,...), or the space and time efficiency of the learning system can be crucial. We invest...
Omid Madani, Jian Huang 0002
SRDS
2000
IEEE
15 years 2 months ago
Optimal Implementation of the Weakest Failure Detector for Solving Consensus
The concept of unreliable failure detector was introduced by Chandra and Toueg [2] as a mechanism that provides information about process failures. Depending on the properties the...
Mikel Larrea, Antonio Fernández, Sergio Ar&...
AAAI
2010
14 years 10 months ago
Multi-Task Sparse Discriminant Analysis (MtSDA) with Overlapping Categories
Multi-task learning aims at combining information across tasks to boost prediction performance, especially when the number of training samples is small and the number of predictor...
Yahong Han, Fei Wu, Jinzhu Jia, Yueting Zhuang, Bi...