Scientific Collaboration N/W Structure

5 January, 2005 at 22:34 Leave a comment

“The structure of scientific collaboration networks”, M. E. J. Newman*, Proceedings of the National Academy of Sciences,
Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87501,
Communicated by Murray Gell-Mann, Santa Fe Institute, Santa Fe, NM, November 13, 2000 (received for review July 12, 2000)
Abstract:
“The structure of scientific collaboration networks is investigated. Two scientists are considered connected if they have authored a paper together and explicit networks of such connections are constructed by using data drawn from a number of databases, including MEDLINE (biomedical research), the Los Alamos e-Print Archive (physics), and NCSTRL (computer science). I show that these collaboration networks form ‘small worlds,’ in which randomly chosen pairs of scientists are typically separated by only a short path of intermediate acquaintances. I further give results for mean and distribution of numbers of collaborators of authors, demonstrate the presence of clustering in the networks, and highlight a number of apparent differences in the patterns of collaboration between the fields studied.”
* E-mail: mark _a_ santafe.edu
The world itself exhibits small-world properties. Any sub-graph (like friendships, research collaborators etc.) of the world exhibits the same properties too. It is obvious, aint it? Of course, it is not always true in graph theory but gosh, we humans are so predictable and stereotypical. That to me seems to be a valid explanation in itself of this observed phenomena…

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