| 1989 | A Generic Entity-Relationship Model. Jean-Luc Hainaut |
| 1989 | A Taxonomy of Concepts for the Science of Information Systems. G. Bergheim, E. Sandersen, A. Salvberg |
| 1989 | About Entities, Complex Objects and Object-oriented Data Models. Christine Parent, Stefano Spaccapietra |
| 1989 | An Axiom and Architecture for Information Systems. G. M. Nijssen |
| 1989 | An Ontological Evaluation of Systems Analysis and Design Methods. Yair Wand, Ron Weber |
| 1989 | Executable Specifications for Distributed Information Systems. Kees M. van Hee, Lou J. Somers, Marc Voorhoeve |
| 1989 | Framework for Architectures in Information Planning. Paul A. M. M. van der Poel, Ria M. C. van Waes |
| 1989 | Information System Concepts: An In-depth Analysis, Proceedings of the IFIP TC8/WG8.1 Working Conference on Information System Concepts: An In-depth Analysis (ISCO 1989), Namur, Belgium, 18-20 October 1989. Eckhard D. Falkenberg, Paul Lindgreen |
| 1989 | Integration of Information Submodels. Donald A. Jardine, S. Yazid |
| 1989 | Levels of Abstraction as a Conceptual Framework for an Information System. Juhani Iivari |
| 1989 | Proof-theoretic Conceptual Modeling: the NIAM Case Study. Cristina Sernadas, José Luiz Fiadeiro, Robert Meersman, Amílcar Sernadas |
| 1989 | Some Reflections on the Namur Conference on Information System Concepts. Alexander A. Verrijn-Stuart |
| 1989 | System Specification Semantics: Defining the Knowledge Captured by Structured System Development Methods in Conceptual Models. Alistair G. Sutcliffe, W. J. Black, Pericles Loucopoulos |
| 1989 | The Basic Building Blocks of Information Systems. Amílcar Sernadas, José Luiz Fiadeiro, Cristina Sernadas, Hans-Dieter Ehrich |
| 1989 | The Leading Edge of Database Technology (Invited Paper). William Kent |
| 1989 | Three Roles of Conceptual Models in Information System Design and Use. Roel J. Wieringa |
| 1989 | Towards a Common Understanding of Information System Concepts? (Panel discussion set-up). Eckhard D. Falkenberg |