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Extending and formalizing the framework for information systems…
Extending and formalizing the framework for information systems architecture
Techniques
Flowcharts
Relational data bases
Entity relationship diagrams
Object oriented systems
Overview of the framework When applied to an information system
Scope
Enterprise
System model
Technology model
Components
Rules of framework
Rule 1. The columns have no order. Order implies priorities.
Rule 2: Each column has a simple model
Rule 3. The basic model of each column must be unique
Rule 4. Each row represents a distinct, unique perspective
Rule 5. Each cell is unique
Rule 6. The composite or integration of all cell models in one row constitutes a complete model
Rule 7. Thel ogic is recursive.
Guidelines
Any conceptual schema represented in the cur- rent ANSI standards must be migratable to the new standards without manual intervention.
Design toolsb ased on the current standards may continue to be used indefinitely, and new tools should be upward compatible with them
Logic is general enough to represent any de- sign; conceptual graphs are a readable graphic notation for all of logic