Mining Relevant Text from Unlabelled Documents. - Daniel Barbará; Carlotta Domeniconi; Ning Kang 009 (ICDM, 2003)

Classifying Documents Without Labels. - Daniel Barbará; Carlotta Domeniconi; Ning Kang 009 (SDM, 2004)

Categorization and Keyword Identification of Unlabeled Documents. - Ning Kang 009; Carlotta Domeniconi; Daniel Barbará (ICDM, 2005)