Aggregates over transitively closed relations

Yan-Nong Huang, Sérgio Lifschitz, Jean-Pierre Cheiney. Aggregates over transitively closed relations. In Eric Simon, editor, VIIIèmes Journées Bases de Données Avancées, 15-18 Septembre 1992, Trégastel (Informal Proceedings). pages 220, INRIA, 1992.

Abstract

Abstract is missing.