# TAIS

From Cibernética Americana

**Theoretical Analysis of Information Systems**¹ is a published approach to mathematical modeling of a general enterprise information system based on systems theory and algebra. It's results are basic and basically startling when one realizes that the work stands relatively alone as essential as it would seem to be.

Table Of Contents:

- Systems Theory

- Basic Problems of Systems Theory
- Systems Algebra
- Information Systems Theory

- Information Systems
- The Function of an Information System
- The Economic Quantity of Information and Processing
- Some Problems of Information Systems Design
- Precedence Relations between Information Sets in and Information System
- Data and Information Files
- Files, Computations, and Processes
- Effect of a Prcess Grouping
- File Consolidation
- System Design Computation Using Matrix Algebra
- File Storage Considerations
- File Organizations
- System Reliability
- Some Data Processing Problems

- Relation between a Process and its Files
- Influence of Word Structure

¹ Lagefors, B. Fourth Edition, AUERBACH. ISBN 0-87769-151-7