Implementazione di Interrogazioni Semplici Concatenate. - Francesco Buccafurri; Sergio Greco; Eugenio Spadafora (SEBD, 1994)

DatalogA: Array Manipulations in a Deductive Database Language. - Sergio Greco; Luigi Palopoli 001; Eugenio Spadafora (DASFAA, 1995)

Extending Datalog with Arrays. - Sergio Greco; Luigi Palopoli 001; Eugenio Spadafora (Data Knowl. Eng., 1995)

Implementation of Chain Logic Queries. - Sergio Greco; Eugenio Spadafora (APPIA-GULP-PRODE, 1996)

The Complexity of Weak Unification of Bounded Simple Set Terms. - Sergio Greco; Cristinel Mateis; Eugenio Spadafora (DEXA, 1996)

Unification of Bounded Simple Set Terms in Deductive Databases. - Sergio Greco; Cristinel Mateis; Eugenio Spadafora (Logic in Databases, 1996)

Querying Datalog with Arrays: Design and Implementation Issues. - Sergio Greco; Luigi Palopoli 001; Eugenio Spadafora (J. Syst. Integr., 1996)