Feature-map vectors: a new class of informative descriptors for computational drug discovery. - Gregory A. Landrum; Julie Penzotti; Santosh Putta (J. Comput. Aided Mol. Des., 2006)

Unsupervised ranking and characterization of differentiated clusters. - Luca Cazzanti; Courosh Mehanian; Julie Penzotti; Doug Scott; Oliver Downs (ISI, 2013)