You may want to check out warren Sack's work (Berkeley) which deals
with mapping of large scale conversations (newsgroups). His web site
can be found at http://www.sims.berkeley.edu/~sack/cm/index.html
University of Cambridge
At 17:37 +0200 12.04.02, Bettina Hoser wrote:
>I am doing research ( for my PhD) on mathematical models for online
>communities, esp. newsgroups. My starting point has been Jon Kleinberg
>"Authoritative sources in a hyperlinked environment". From there I have
>now travelled all the way to Barry Wellman "Computer Networks as social
>Networks" and also to William Richards "Eigen Analysis of Networks".
>My question now is: are there any other concepts in finding "authorities
>and hubs" or experts and activists by using only mathematical concepts
>such as Eigen Analysis of adjacency matrices?
>Secondly: Where can I find papers concerning this topic?
>My long term objective is to describe life, evolution (and maybe death)
>of newsgroup by non-invasive-methods,e.g. without the need to explicitly
>ask the newsgroup, just by listening, and without using personilzed
>Every information is highly appreciated.
>Dipl.-Phys. Bettina Hoser
>Lehrstuhl für Informationsdienste und elektonische Märkte
>Fakultät für Wirtschaftswissenschaften
>Universität Karlsruhe (TH)
>email: [log in to unmask]
>Tel: 0721-608 8407
>Fax: 0721-608 8403