Alessandro Artale, Francesca Cesarini, Giovanni Soda. Subsumption Computation on an Object-Oriented Data Model. In Harold Boley, Michael M. Richter, editors, Processing Declarative Knowledge, International Workshop PDK 91, Kaiserslautern, Germany, July 1-3, 1991, Proceedings. Volume 567 of Lecture Notes in Computer Science, pages 124-140, Springer, 1991.
Abstract is missing.