Principles of artificial intelligence
Principles of artificial intelligence
System R: relational approach to database management
ACM Transactions on Database Systems (TODS)
The Programming Language Aspects of ThingLab, a Constraint-Oriented Simulation Laboratory
ACM Transactions on Programming Languages and Systems (TOPLAS)
Communications of the ACM
Compilation and delayed evaluation in APL
POPL '78 Proceedings of the 5th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
On the Structure of Application Programs
Proceedings of the Abstract Software Specifications, 1979 Copenhagen Winter School
APL '79 Proceedings of the international conference on APL: part 1
POPL '76 Proceedings of the 3rd ACM SIGACT-SIGPLAN symposium on Principles on programming languages
A functional approach to integrating database and expert systems
Communications of the ACM
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This paper describes a methodology for application software development, the objective being the reduction of volume of code and ease of maintenance. It is shown that constants as well as rules and regulations typically found in business applications should be factored out and stored separately from the application programs in a data base. Definitional equations are proposed as a method for specifying such rules and regulations. The equations can be used as parameters to various types of interpreters to be used by application programs. As an illustration of the methodology, one such interpreter has been implemented. This paper shows its application to a screen handling program; other uses are discussed. The interpreter and its implementation are outlined.