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CORR
2010
Springer
156views Education» more  CORR 2010»
13 years 9 months ago
On the bias of BFS
Abstract--Breadth First Search (BFS) and other graph traversal techniques are widely used for measuring large unknown graphs, such as online social networks. It has been empiricall...
Maciej Kurant, Athina Markopoulou, Patrick Thiran
CORR
2010
Springer
120views Education» more  CORR 2010»
13 years 9 months ago
How Much Multiuser Diversity is Required for Energy Limited Multiuser Systems?
Multiuser diversity (MUDiv) is one of the central concepts in multiuser (MU) systems. In particular, MUDiv allows for scheduling among users in order to eliminate the negative effe...
Youngwook Ko, Sergiy A. Vorobyov, Masoud Ardakani
CORR
2010
Springer
114views Education» more  CORR 2010»
13 years 9 months ago
Settling the Polynomial Learnability of Mixtures of Gaussians
Given data drawn from a mixture of multivariate Gaussians, a basic problem is to accurately estimate the mixture parameters. We give an algorithm for this problem that has running ...
Ankur Moitra, Gregory Valiant
CORR
2010
Springer
146views Education» more  CORR 2010»
13 years 9 months ago
Active Learning for Hidden Attributes in Networks
In many networks, vertices have hidden attributes that are correlated with the network's topology. For instance, in social networks, people are more likely to be friends if t...
Xiaoran Yan, Yaojia Zhu, Jean-Baptiste Rouquier, C...
CORR
2010
Springer
172views Education» more  CORR 2010»
13 years 9 months ago
Seeing Through Black Boxes : Tracking Transactions through Queues under Monitoring Resource Constraints
The problem of optimal allocation of monitoring resources for tracking transactions progressing through a distributed system, modeled as a queueing network, is considered. Two for...
Animashree Anandkumar, Ting He, Chatschik Bisdikia...