Normalization and hierarchical dependencies in the relational data model
ACM Transactions on Database Systems (TODS)
System R: relational approach to database management
ACM Transactions on Database Systems (TODS)
ACM Computing Surveys (CSUR)
A relational model of data for large shared data banks
Communications of the ACM
An axiomatic basis for computer programming
Communications of the ACM
A methodology for information system design
AFIPS '81 Proceedings of the May 4-7, 1981, national computer conference
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In the former VLDB Conference we have presented a global model for the design of a complete information system (IS). This model constitutes an original attempt to integrate at the conceptual level, data, processes and dynamics in the design of IS. In the same way, we now present a system of tools allowing IS definition, creation and functionning compatible with the general model previously defined. This system is an extension of the DBMS approach for the design and management of IS. The goal of those tools is to create an IS functionning and evolving as the dynamic reality it represents.