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» Community Identification in Directed Networks
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BMCBI
2010
178views more  BMCBI 2010»
13 years 10 months ago
Selecting high-dimensional mixed graphical models using minimal AIC or BIC forests
Background: Chow and Liu showed that the maximum likelihood tree for multivariate discrete distributions may be found using a maximum weight spanning tree algorithm, for example K...
David Edwards, Gabriel C. G. de Abreu, Rodrigo Lab...
CIKM
2009
Springer
14 years 4 months ago
Voting in social networks
A voting system is a set of rules that a community adopts to take collective decisions. In this paper we study voting systems for a particular kind of community: electronically me...
Paolo Boldi, Francesco Bonchi, Carlos Castillo, Se...
SOCIALCOM
2010
13 years 7 months ago
Churn in Social Networks: A Discussion Boards Case Study
Churn has been identified as an important issue in a wide range of industries. In social networks, churn represents a significant risk for the health and functioning of communities...
Marcel Karnstedt, Tara Hennessy, Jeffrey Chan, Con...
COMSUR
2011
203views Hardware» more  COMSUR 2011»
12 years 9 months ago
Overcoming Adversaries in Sensor Networks: A Survey of Theoretical Models and Algorithmic Approaches for Tolerating Malicious In
Interference is an unavoidable property of the wireless communication medium and, in sensor networks, such interference is exacerbated due to the energy-starved nature of the netw...
Maxwell Young, Raouf Boutaba
IICS
2005
Springer
14 years 3 months ago
Towards P2P Information Systems
P2P systems draw large communities of users and create most of the Internet traffic. Two typical P2P myths are (1) that P2P is about sharing of audio and video content and (2) that...
Magnus Kolweyh, Ulrike Lechner