A Note on Isomorphic Chordal Rings. - Amiya Nayak; Vincenzo Acciaro; Paolo Gissi (Inf. Process. Lett., 1995)

A Note on Isomorphic Chordal Rings (Erratum). - Amiya Nayak; Vincenzo Acciaro; Paolo Gissi (Inf. Process. Lett., 1996)

Content-Based Filtering with Tags: The FIRSt System. - Pasquale Lops; Marco de Gemmis; Giovanni Semeraro; Paolo Gissi; Cataldo Musto; Fedelucio Narducci (ISDA, 2009)