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Multiple equilibria of nonhomogeneous Markov chains and self-validating web rankings
janvier 2008,
- HE Léonard de Vinci
,
- Article scientifique
Article scientifique
PageRank is a ranking of the web pages that measures how often a given web page is visited by a random surfer on the web graph, for a simple model of web surfing. It seems realistic that PageRank may also have an influence on the behavior of web surfers. We propose here a simple model taking into account the mutual influence between web ranking and web surfing. Our ranking, the T-PageRank, is a ...
Maximizing PageRank via outlinks
2008,
- HE Léonard de Vinci
,
- Article scientifique
Article scientifique
We analyze linkage strategies for a set of webpages for which the webmaster wants to maximize the sum of Google’s PageRank scores. The webmaster can only choose the hyperlinks starting from the webpages of and has no control on the hyperlinks from other webpages. We provide an optimal linkage strategy under some reasonable assumptions.
Dominant vectors of nonnegative matrices : application to information extraction in large graphs
21 janvier 2008,
- HE Léonard de Vinci
,
- TFE
TFE
Objects such as documents, people, words or utilities, that are related in some way, for instance by citations, friendship, appearance in definitions or physical connections, may be conveniently represented using graphs or networks. An increasing number of such relational databases, as for instance theWorldWideWeb, digital libraries, social networking web
sites or phone calls logs, are available. ...