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ACSAC
2010
IEEE
14 years 10 months ago
Friends of an enemy: identifying local members of peer-to-peer botnets using mutual contacts
In this work we show that once a single peer-to-peer (P2P) bot is detected in a network, it may be possible to efficiently identify other members of the same botnet in the same ne...
Baris Coskun, Sven Dietrich, Nasir D. Memon
BMCBI
2011
14 years 10 months ago
Clustering gene expression data with a penalized graph-based metric
Background: The search for cluster structure in microarray datasets is a base problem for the so-called “-omic sciences”. A difficult problem in clustering is how to handle da...
Ariel E. Bayá, Pablo M. Granitto
CP
2011
Springer
14 years 6 months ago
Hierarchically Nested Convex VCSP
We introduce tractable classes of VCSP instances based on convex cost functions. Firstly, we show that the class of VCSP instances satisfying the hierarchically nested convexity pr...
Martin C. Cooper, Stanislav Zivny
KDD
2012
ACM
201views Data Mining» more  KDD 2012»
13 years 9 months ago
Low rank modeling of signed networks
Trust networks, where people leave trust and distrust feedback, are becoming increasingly common. These networks may be regarded as signed graphs, where a positive edge weight cap...
Cho-Jui Hsieh, Kai-Yang Chiang, Inderjit S. Dhillo...
SPAA
2012
ACM
13 years 9 months ago
Allowing each node to communicate only once in a distributed system: shared whiteboard models
In this paper we study distributed algorithms on massive graphs where links represent a particular relationship between nodes (for instance, nodes may represent phone numbers and ...
Florent Becker, Adrian Kosowski, Nicolas Nisse, Iv...