The functional data model and the data languages DAPLEX
ACM Transactions on Database Systems (TODS)
Extending the database relational model to capture more meaning
ACM Transactions on Database Systems (TODS)
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
Database abstractions: aggregation and generalization
ACM Transactions on Database Systems (TODS)
ACM Transactions on Programming Languages and Systems (TOPLAS)
ACM Transactions on Programming Languages and Systems (TOPLAS)
A relational model of data for large shared data banks
Communications of the ACM
Data Structure Techniques
Functional Programming and Its Applications: An Advanced Course
Functional Programming and Its Applications: An Advanced Course
Integration of solid modeling and data base management for CAD/CAM
DAC '83 Proceedings of the 20th Design Automation Conference
Tutorial: The relational data model for Design Automation
DAC '83 Proceedings of the 20th Design Automation Conference
DAC '84 Proceedings of the 21st Design Automation Conference
Weaknesses of commercial data base management systems in engineering applications
DAC '80 Proceedings of the 17th Design Automation Conference
Theory of Relational Databases
Theory of Relational Databases
A module for improving data access and management in an integrated CAD environment
DAC '85 Proceedings of the 22nd ACM/IEEE Design Automation Conference
A procedural interface to CAD data based on EDIF
EURO-DAC '90 Proceedings of the conference on European design automation
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In recent years many researchers have tried to apply the traditional database systems to design applications. To date, most of these experiments have been largely unsuccessful. Insufficient computing power may be one reason for this failure. However, the problem may be more fundamental. We believe the data models of the traditional database systems are intrinsically unsuited for design applications. In this paper we give reasons for this opinion and describe an enhanced relational model which removes some of the weaknesses we have identified.