1. Acyclic programs;Apt;Proc. 7th Internat. Conf. on Logic Programming,1990
2. Towards a theory of declarative knowledge;Apt,1988
3. Completeness of the SLDNF-resolution for a class of logic programs;Barbuti;Proc. 3rd Internat. Conf. on Logic Programming,1988
4. Characterizing termination of logic programs with level mappings;Bezem;Proc. North American Conf. on Logic Programming,1989
5. Continuity, consistency, and completeness properties for logic programs;Cavedon;Proc. 6th Internat. Conf. on Logic Programming,1989