Identifying robust clusters and multi-community nodes by combining top-down and bottom-up approaches to clustering. - Chris Gaiteri; Mingming Chen; Boleslaw K. Szymanski; Konstantin Kuzmin; Jierui Xie; Changkyu Lee; Timothy Blanche; Elias Chaibub Neto; Su-Chun Huang; Thomas J. Grabowski; Tara M. Madhyastha; Vitalina Komashko (CoRR, 2015)