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This example was redesigned from the Wikipedia file: LastResortHotel BookRoom Process.png. [en.wikipedia.org/ wiki/ File:LastResortHotel_ BookRoom_ Process.png]
This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. [creativecommons.org/ licenses/ by-sa/ 3.0/ ]
"Event partitioning is an easy-to-apply systems analysis technique that helps the analyst organize requirements for large systems into a collection of smaller, simpler, minimally-connected, easier-to-understand ‘mini systems’ / use cases. ...
Defining requirements.
Single process in a fictitious hotel using data flow diagram notation.
Single use case in a fictitious hotel using use case diagram notation.
This approach helps the analyst to decompose the system into ‘mentally bite-sized’ mini-systems using events that require a planned response. The level of detail of each response is at the level of ‘primary use cases’. Each planned response may be modelled using DFD notation or as a single use case using use case diagram notation.
The basic flow within a process or use case can usually be described in a relatively small number of steps, often fewer than twenty or thirty, possibly using something like ‘structured English’. Ideally, all of the steps would be visible all at once (often a page or less). The intention is to reduce one of the risks associated with short-term memory, namely, forgetting what is not immediately visible (‘out of sight, out of mind’). ...
Single process in a fictitious hotel using data flow diagram notation." [Event partitioning. Wikipedia]
The DFD example "Last resort hotel book room process" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Data Flow Diagrams solution from the Software Development area of ConceptDraw Solution Park.
DFD
DFD, process, external interactor, data store,

data flow diagram, DFD templates Data Flow Diagrams (DFD)

data flow diagram, DFD templates
Data Flow Diagrams solution extends ConceptDraw PRO software with templates, samples and libraries of vector stencils for drawing the data flow diagrams (DFD).

Active Directory, network topology, Active Directory Domain Active Directory Diagrams

Active Directory, network topology, Active Directory Domain
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event-driven process chain diagram, EPC diagram, process chain flowchart Event-driven Process Chain Diagrams

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audit flowchart, fiscal flowchart, audit steps, chart audits, chart auditor, auditing process, audit process flowchart, audit planning process Audit Flowcharts

audit flowchart, fiscal flowchart, audit steps, chart audits, chart auditor, auditing process, audit process flowchart, audit planning process
Audit flowcharts solution extends ConceptDraw PRO software with templates, samples and library of vector stencils for drawing the audit and fiscal flow charts.

mind map, mindmapping tools, mindmap, create book, create MS Word document, solution park Word Exchange

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This solution extends ConceptDraw MINDMAP software with the ability to quickly create the framework for a future article or book, fill the structure with ideas, and use it to produce an MS Word document with just a simple click of the mouse.