Katti Faceli André Carlos Ponce Leon Ferreira de Carvalho Marcílio Carlos Pereira de Souto Multi-objective clustering ensemble. 145-156 2007 4 Int. J. Hybrid Intell. Syst. 3 http://iospress.metapress.com/openurl.asp?genre=article&issn=1448-5869&volume=4&issue=3&spage=145 db/journals/ijhis/ijhis4.html#FaceliCS07