Influence, originality and similarity in directed acyclic graphs

Details Influence, originality and similarity in directed acyclic graphs Influence, originality and similarity in directed acyclic graphs

2011-08-18

arxiv.org/abs/1108.3691v1

EPL 96, 18004, 2011

Physics

Physics and Society

6 pages, 4 figures

Scientific paper

10.1209/0295-5075/96/18004

We introduce a framework for network analysis based on random walks on directed acyclic graphs where the probability of passing through a given node is the key ingredient. We illustrate its use in evaluating the mutual influence of nodes and discovering seminal papers in a citation network. We further introduce a new similarity metric and test it in a simple personalized recommendation process. This metric's performance is comparable to that of classical similarity metrics, thus further supporting the validity of our framework.

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