YOURDON Systems Method: Model-driven Systems DevelopmentThe method described here draws upon twenty years of experience of YOURDON, Inc., whose business has been applying, adapting, and enhancing system development techniques. This intuitive, model-driven approach to systems development is suitable for both the business information and real-time engineering communities. YOURDON Systems Method (YSM) 3.0 has guided thousands of project teams and individuals, helping them meet tight project deadlines while satisfying user requirements and delivering successful solutions within budget. |
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Page xvii
... manual describes " The Yourdon System Method " ( or YSM ) and how it can be used for systems development and support . It provides a definitive statement of what consti- tutes YSM in terms of models , tools and methods . 1.1 What this ...
... manual describes " The Yourdon System Method " ( or YSM ) and how it can be used for systems development and support . It provides a definitive statement of what consti- tutes YSM in terms of models , tools and methods . 1.1 What this ...
Page 28
... Manual Implementation Model This model elaborates and documents the essential functions that are people . Each person or organisation acts as a processor . There is no prescribed format for the Manual Implementation Model , but its ...
... Manual Implementation Model This model elaborates and documents the essential functions that are people . Each person or organisation acts as a processor . There is no prescribed format for the Manual Implementation Model , but its ...
Page 46
... manual This reference manual uses a simple ' low - tech ' approach to the identification of views . For example , each entity relationship diagram ( ERD ) has a name that identifies it . This name may either be shown on the diagram or ...
... manual This reference manual uses a simple ' low - tech ' approach to the identification of views . For example , each entity relationship diagram ( ERD ) has a name that identifies it . This name may either be shown on the diagram or ...
Contents
Introduction | 1 |
Modelling Tools 35 3 | 35 |
The Enterprise Essential Model | 367 |
Copyright | |
3 other sections not shown
Common terms and phrases
abstract data type access flow allowed associative entity specification bSTD context diagram continuous data flow continuous event flow control process corresponding create data flow diagram data items data process data store defined delete described discrete data flow discrete event flow discrete process discussed Enterprise Essential Model entities and relationships entity relationship diagram entity-event table entry eSTD event store example flow specification function given Guidelines identifier Implementation Model information model inherited Instructor interface internal model machine manual meaning minispec model components Modelling Tools number of occurrences operation organisation output parameters parent ADT participate Patient pencil and paper post-condition process group processors real-world referred relationship frame relationship specification release of YSM response restriction Rules Scheduled course shown stimulus structure structure chart subtype supertype system ERD System Essential Model system modelling techniques terminator Transition Diagram type conversion update variable