Object-Oriented Databases--Analysis, Design & Construction (DS-4): Proceedings of the Ifip Tc2/Wg 2.6 Working Conference on Object-Oriented Databases--Analysis, Design & Consruction, Windermere, United Kingdom, 2-6 July 1990

Semantic Issues in E-Commerce Systems: Ifip Tc2/Wg2.6 Ninth Working Conference on Database Semantics, April 25-28, 2001, Hong Kong

Database semantics (DS-1) : proceedings of the IFIP WG 2.6 Working Conference on Data Semantics (DS-1) Hasselt, Belgium, 7-11 January, 1985

Artificial Intelligence in Databases and Information Systems (DS-3): Proceedings of the Ifip Tc2/Tc8/Wg2.6/Wg8.1 Working Conference on the Role of Artificial Intelligence in Databases and Information Systems, Guangzhou, PR China, 4-8 July, 1988

Database semantics (DS-1) : proceedings of the IFIP WG 2.6 Working Conference on Data Semantics (DS-1) Hasselt, Belgium, 7-11 January, 1985