Gane Sarson Diagram
What is the Gane and Sarson Model?
"The Gane & Sarson method is based on the building of a logical model of the system, using graphical techniques to enable users, analysts, and designers to get a clear and common picture of the system and how its parts fit together to meet the user's needs.
The methodology involves building a system top-down by successive refinement. First, an overall system data flow is created. Then, detailed data flows are created. Next, the details of the data structures and the process logic is determined. Finally, design of modular structures is begun.
The focus of analysis in the Gane and Sarson method is the Data Flow diagram, which is used to describe the processes of the system, and how the processes transform data."
[Gane & Sarson Methodology. ibm.com]
The vector stencils library Gane-Sarson Notation from the solution Data Flow Diagrams contains specific symbols of the Gane-Sarson notation such as process symbol, connector symbol, jump symbol for ConceptDraw DIAGRAM software. The Data Flow Diagrams solution is contained in the Software Development area of ConceptDraw Solution Park.
Use the Data Flow solution to draw data flow diagrams for your business documents, presentations and websites.
Example 1. Gane Sarson Diagram
The example above illustrates the Gane-Sarson notation usage for drawing a data flow diagram for on-line appointment scheduling. "The patient enters a web inquiry which generates two checks against different databases, and the information is returned to the patient for acceptance."
ConceptDraw DIAGRAM is a Perfect Tool for:
- Designing and planning tasks such as:
- Developing Visualization Solutions
- Project Planning (Gantt Charts, Timelines, Project Schedules)
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What is a Process Flow Map? It is a chart which visually illustrates a business process and how its steps work together. Process Flow Maps help companies define problem areas, inefficient activities for the purpose of further increasing performance and profitability of businesses. ConceptDraw DIAGRAM diagramming and vector drawing software extended with Flowcharts solution from the Diagrams area of ConceptDraw Solution Park is efficient and productive software for fast and simple creating professional looking Process Flow Map.
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This sample shows the Flowchart of the testing the work of the lamp and decision making about what to do to lamp will work.
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This figure demonstrates the data flow diagram (DFD), which was created to describe the electronic system of custom purchase. This is the process of buying using electronic bar code scanning system. Such systems are used in large stores. The cashier scans the bar code, the system outputs the data on the price of the goods and carries out a purchase process. This DFD utilizes the Gane/Sarson notation. To create it The ConceptDraw DFD solution has been applied.
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To carry out all professional standard requirements for business processes mapping, it is necessarily to follow the special graphical notations. ConceptDraw Business Process Mapping solution offers an exhaustive suite of tools to aid business process mapping. There are three vector libraries SIPOC Diagrams, Business Process Flowcharts, and Swim Lanes that contains totally more than 50 symbols of standard BPM notations. This is all that professionals need to effectively evaluate and manage quality in business processes.
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