Phys Rev E: Information-theoretic approach to network modularity [clip]

Uses diffusion distance in relationship to modularity
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http://arxiv.org/PS_cache/q-bio/pdf/0411/0411033.pdf
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=15903736&dopt=Citation