Functional classification of proteins by pattern discovery and top-down clustering of primary sequences. - Agatha H. Liu; Andrea Califano (IBM Syst. J., 2001)

Motif-based mining of protein sequences. - Agatha H. Liu (2002)

CASTOR: Clustering Algorithm for Sequence Taxonomical Organization and Relationships. - Agatha H. Liu; Andrea Califano (J. Comput. Biol., 2003)