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 112
... Meaning This gives a general description of the significance of an occurrence of the relationship to the enterprise . For example , the specification of the relationship " covers " includes : MEANING : A < Course > is said to cover a ...
... Meaning This gives a general description of the significance of an occurrence of the relationship to the enterprise . For example , the specification of the relationship " covers " includes : MEANING : A < Course > is said to cover a ...
Page 172
... meaning without consulting the textual specification . 2.12.6.3.2 For data flows 1. An output data flow should usually have different content from any other output data flow . It may have the same content , but different meaning . If ...
... meaning without consulting the textual specification . 2.12.6.3.2 For data flows 1. An output data flow should usually have different content from any other output data flow . It may have the same content , but different meaning . If ...
Page 362
... MEANING : Interface between the control system and lubricating oild pump . STRUCTURE : dialogue pair EVENT FLOW : oil pump status MEANING : When TRUE , the oil pump is running . When FALSE the oil pump is not running . STRUCTURE ...
... MEANING : Interface between the control system and lubricating oild pump . STRUCTURE : dialogue pair EVENT FLOW : oil pump status MEANING : When TRUE , the oil pump is running . When FALSE the oil pump is not running . STRUCTURE ...
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