title: an effective deductive object-oriented database through language integration vldb. authors: m barja , n paton , a fernandes , m williams , a dinn. venue: nan. year: 1994.0
title: an introduction to deductive database languages and systems. authors: k ramamohanarao , j harland. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0