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WAW
2007
Springer
13 years 11 months ago
2007
Springer
Popular reputation systems for linked networks can be manipulated by spammers who strategically place links. The reputation of node v is interpreted as the world’s opinion of vâ...
WAW
2007
Springer
13 years 11 months ago
2007
Springer
A random graph model based on Kronecker products of probability matrices has been recently proposed as a generative model for large-scale real-world networks such as the web. This...
WAW
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. We study the relation between PageRank and other parameters of information networks such as in-degree, out-degree, and the fraction of dangling nodes. We model this relat...
WAW
2007
Springer
13 years 11 months ago
2007
Springer
We present a new stochastic model for complex networks, based on a spatial embedding of the nodes, called the Spatial Preferred Attachment (SPA) model. In the SPA model, nodes have...
WAW
2007
Springer
13 years 11 months ago
2007
Springer
Motivated by the problem of detecting link-spam, we consider the following graph-theoretic primitive: Given a webgraph G, a vertex v in G, and a parameter δ ∈ (0, 1), compute th...