A fancy way of saying groups of people and organisations that build up around particular kinds of ‘knowledge claim’. Within Multiple Streams Approach, you can see epistemic communities beavering away within the ‘problem stream’, trying to refine what the problem is, how we can reliably know the size, shape and speed of the problem…
See Peter Haas’s work, on climate science, back in the day.
See Wikipedia entry.
See also instrument constituencies.
(How) are they different from “cognitive communities”?
Competitive Groups as Cognitive Communities: The Case of Scottish Knitwear Manufacturers Revisited
Porac, Joseph ; Thomas, Howard ; Baden-Fuller, Charles
The Journal of Management Studies, May 2011, Vol.48(3), p.646
and
The impact of cognitive communities on the diffusion of academic knowledge: Evidence from the networks of inventors of a French university
Volume 36, Issue 2, March 2007, Pages 288–302