The post Joe refers to can be found at: http://scholarlykitchen.sspnet.org/2009/03/16/usage-map-of-science/ --Phil Davis Joseph Esposito wrote: > A post at Scholarly Kitchen led me to this fascinating article: > > http://www.plosone.org/article/info:doi%2F10.1371%2Fjournal.pone.0004803 > > The topic is the clickstream of users and how it compares with > article citation data. > > Joe Esposito