JAVASET: Declarative Programming in Java with Sets. - Elisabetta Poleo; Gianfranco Rossi (APPIA-GULP-PRODE, 2003)

JSetL: a Java library for supporting declarative programming in Java. - Gianfranco Rossi; E. Panegai; Elisabetta Poleo (Softw. Pract. Exp., 2007)