Scientific Method: Relationships among scientific paradigms

An interesting item; perhaps a bit off-topic.

W. Bradford Paley (an interaction designer at Columbia) and a few collaborators have produced a "map of science"--basically segmenting the realm of science into over 700 sub-disciplines based on an affinity graph produced from surveying over 800,000 papers, and who cites whom. Cross-discipline "links" are noted, as are keywords common to each disciplien. Also noted are various terms of art used in each discipline, which are common among the papers found therein.

Paper is here

Other than a coarse assignment of research fields to top-level disciplines (i.e. "computer science", "biology"), no attempt is made to name the disciplines--they are identified only by their "keywords". Though there is one bubble which obviously corresponds to PLT...