The entity-relationship model—toward a unified view of data
ACM Transactions on Database Systems (TODS) - Special issue: papers from the international conference on very large data bases: September 22–24, 1975, Framingham, MA
Synthesizing third normal form relations from functional dependencies
ACM Transactions on Database Systems (TODS)
Multivalued dependencies and a new normal form for relational databases
ACM Transactions on Database Systems (TODS)
A relational model of data for large shared data banks
Communications of the ACM
A proposal for information systems design and management
ACM SIGDA Newsletter
VLDB '78 Proceedings of the fourth international conference on Very Large Data Bases - Volume 4
Tools for information system dynamics management
VLDB '79 Proceedings of the fifth international conference on Very Large Data Bases - Volume 5
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This paper concerns the design of large and integrated information systems (IS) in organizations. We propose to organize the IS development process in two interdependent steps, the first one centered on the semantic representation of the real world system, the second step including technical aspects of the solution ignored in the first one. We present an original model to design the solution at the first step we named IS conceptual schema. This model allows a complete, consistent, nonredundant and economic representation including static and dynamic aspects of the real world system.