http://web.eecs.umich.edu/~ackerm/courses/04-1.si670/ericksonkellogg.pre-press.pdf

It takes a strongly social approach to the issue of how to support the re-use of knowledge, arguing that knowledge (and expertise) is created, used, and disseminated in ways that are inextricably entwined with the social milieu. Document in pdf format; Acrobat Reader required.