| 1990 | Formal Semantics of an Entity-Relationship-Based Query Language. | Uwe Hohenstein, Gregor Engels |
| 1990 | OSCAR: An Object-Oriented Database System with a Nested Relational Kernel. | Andreas Heuer, Jrgen Fuchs, U. Wiebking |
| 1990 | Entity-Relationship Models: Formal Specification and Comparision. | Jean-Luc Hainaut |
| 1990 | Plan and Schedule Generation over Temporal Databases. | Antnio L. Furtado, Marco A. Casanova |
| 1990 | Semantics of Temporal Data in an Extended ER Model. | Ramez Elmasri, Ihab El-Assal, Vram Kouramajian |
| 1990 | Configurable Data Modelling Systems. | Richard Cooper |
| 1990 | Algorithms for Designing and Maintaining Optimized Relational Representations of Entity-Relationship Schemas. | Marco A. Casanova, Luiz Tucherman, Alberto H. F. Laender |
| 1990 | Why Using Events in a High-Level Specification. | Jol Brunet, Corine Cauvet, Louis Lasoudris |
| 1990 | A Graph Grammar Driven ER Case Environment. | Christian Breiteneder, Thomas A. Mck |
| 1990 | View Integration by Semantic Unification and Transformation of Data Structures. | Mokrane Bouzeghoub, Isabelle Comyn-Wattiau |
| 1990 | Knowledge Representation, Semantic Data Modelling: What's the Difference? | Alexander Borgida |
| 1990 | System Analysis for Deductive Database Environments: An Enhanced Role for Aggregate Entities. | D. Ackley, Robert P. Carasik, T. Soon, D. Tyron, E. Tsou, Shalom Tsur, Carlo Zaniolo |
| 1989 | A Proposal for Formalizing and Extending the Generalization and Subset Abstractions in the Entity-Relationship Model. | Luiz Tucherman, Marco A. Casanova, Pedro M. Gualandi, Anelise P. Braga |
| 1989 | An Expert System for Conceptual Data Modelling. | Branka Tauzovich |
| 1989 | A Graphical Query Language Based on an Extended E-R Model. | Michel Schneider, Claude Trpied |
| 1989 | Database Design Tools: Combining Theory, Guesswork, and User Interaction. | Arnon Rosenthal, David S. Reiner |
| 1989 | An ER Calculus for the Entity-Relationship Complex Model. | Christine Parent, Hlne Rolin, Kokou Ytongnon, Stefano Spaccapietra |
| 1989 | The E-R Editor: an Editor for Database Conceptual Schema Design based on E-R Model. | Satoshi Nishiyama, Sadao Obana |
| 1989 | Modeling with KRISYS: the Design Process of DB Applications Reviewed. | Nelson Mendona Mattos, M. Michels |
| 1989 | Abbreviated Query Interpretation in Extended Entity-Relationship Oriented Databases. | Victor M. Markowitz, Arie Shoshani |
| 1989 | Name Assignment Techniques for Relational Schemas Representing Extended Entity-Relationship Schemas. | Victor M. Markowitz, Arie Shoshani |
| 1989 | Building Natural Language Interface to an ER Database. | W. S. Luk |
| 1989 | E | Rafael Lazimy |
| 1989 | Ergonomic Schema Design and Browsing with More Semantics in the Pasta-3 Interface for E-R DBMSs. | Michel Kuntz, Rainer Melchert |
| 1989 | Schema Independent Query Formulation. | Martin Kracker, Erich J. Neuhold |