Goele Hollanders Geert Jan Bex Marc Gyssens Ronald L. Westra Karl Tuyls On Phase Transitions in Learning Sparse Networks. 591-599 2007 conf/ecml/2007 ECML http://dx.doi.org/10.1007/978-3-540-74958-5_57 db/conf/ecml/ecml2007.html#HollandersBGWT07