Clickstream Data Yields High-Resolution Maps of Science. PLoS ONE, (4)3:e4803, Public Library of Science, März 2009. [PUMA: navigation markov clickstream path] URL
Clickstream Data Yields High-Resolution Maps of Science. PLoS ONE, (4)3:e4803, Public Library of Science, März 2009. [PUMA: scientometrics science analysis citation toread] URL
Comparative Graph Theoretical Characterization of Networks of Spam and Legitimate Email. 2005. [PUMA: email graph network spam] URL