Publications

Johan Bollen, Herbert Van de Sompel, Aric Hagberg, Luis Bettencourt, Ryan Chute, Marko A. Rodriguez, und Lyudmila Balakireva. 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

Johan Bollen, Herbert van de Sompel, Aric Hagberg, Luis Bettencourt, Ryan Chute, Marko A. Rodriguez, und Lyudmila Balakireva. 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

Luiz H. Gomes, Rodrigo B. Almeida, Luis M. A. Bettencourt, Virgilio Almeida, und Jussara M. Almeida. Comparative Graph Theoretical Characterization of Networks of Spam and Legitimate Email. 2005. [PUMA: email graph network spam] URL