Extracting directed information flow networks: an application to genetics and semantics

Details Extracting directed information flow networks: an application to genetics and semantics Extracting directed information flow networks: an application to genetics and semantics

2010-09-24

arxiv.org/abs/1009.4797v2

Phys. Rev. E 83, 026103 (2011)

Physics

Data Analysis, Statistics and Probability

Scientific paper

10.1103/PhysRevE.83.026103

We introduce a general method to infer the directional information flow between populations whose elements are described by n-dimensional vectors of symbolic attributes. The method is based on the Jensen-Shannon divergence and on the Shannon entropy and has a wide range of application. We show here the results of two applications: first extracting the network of genetic flow between the meadows of the seagrass Poseidonia Oceanica, where the meadow elements are specified by sets of microsatellite markers, then we extract the semantic flow network from a set of Wikipedia pages, showing the semantic channels between different areas of knowledge.

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