Updating Logic Programs. - Nicola Leone; Luigi Palopoli 001; Massimo Romeo (ISMIS, 1993)

Evaluation of Negative Logic Programs. - Sergio Greco; Massimo Romeo; Domenico Saccà (LOGIDATA+: Deductive Databases with Complex Objects, 1993)

Effective Implementation of Negation in Database Logic Query Languages. - Nicola Leone; Massimo Romeo; Pasquale Rullo; Domenico Saccà (LOGIDATA+: Deductive Databases with Complex Objects, 1993)

Collegamento di Basi di Dati Orientate agli Oggetti a Basi di Dati Relazionali Remote. - Fabrizio Angiulli; Nicola Leone; Fabio Messina; Massimo Romeo (SEBD, 1994)

Modifying Intensional Logic Knowledge. - Nicola Leone; Luigi Palopoli 001; Massimo Romeo (Fundam. Informaticae, 1994)

A Language for Updating Logic Programs and its Implementation. - Nicola Leone; Luigi Palopoli 001; Massimo Romeo (J. Log. Program., 1995)