@conference {3717, title = {A social network perspective on learning and professional development}, booktitle = {EARLI - SIG 14 (Learning and Professional Development)}, year = {2014}, address = {Oslo, Norway}, keywords = {Network of Practice, Social Network Analysis}, author = {Martin Rehm and Markus Hirschmann and Hans Gruber and Bart Rienties and Simon Beausaert and Dominik Fr{\"o}hlich and Mien Segers and Sara Van Waes and Piet van den Bossche and Nienke Moolenaar and Peter Van Petegem and Anoush Margaryan} }