?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Psorakis%2C+Ioannis&rft.aulast=Psorakis&rft.aufirst=Ioannis&rft.issue=6&rft.volume=83&rft.date=2011&rft.issn=1539-3755&rft.atitle=Overlapping+Community+Detection+using+Bayesian+Nonnegative+Matrix+Factorization.&rft.title=Physical+Review+E&rft.genre=article