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You're reading from  Microsoft Visio 2010 Business Process Diagramming and Validation

Product typeBook
Published inJul 2010
Reading LevelIntermediate
PublisherPackt
ISBN-139781849680141
Edition1st Edition
Languages
C#
Tools
Visio Professional
Concepts
Data Visualization
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Author (1)
David Parker
David Parker
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David Parker

David J Parker's background has been in data visualization ever since he struggled to produce lists of hospital equipment from Computer Aided Design models of buildings as a budding architect in the '80s. He moved into building and infrastructure asset management in the late '80s using a Unix system and gradually migrated to Windows-based systems throughout the '90s. He became a European Business partner of Visio Corporation in 1996 and presented the database-linked Visio solutions that he was providing merchant banks in London and New York with at several international conferences. David started bVisual Ltd. in 1998, which provides Visio-based solutions to various industries, and became a Silver-level Microsoft partner. He has been a Microsoft MVP (Visio) for the last 12 years and has helped Microsoft Corp, UK and Western Europe, by providing Visio solutions, training, website content, and presentations. David has had several books on Visio published and has been presenting Visio/SharePoint integration courses for many years for Microsoft Western Europe, from Oslo in the North down to Lisbon in the South. He has presented at SQL and SharePoint Saturday conferences and writes a regular blog for people interested in Microsoft Visio.
Read more about David Parker

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What are Data Flow Diagrams?

A quick search on the Web reveals that Data Flow Diagrams (DFDs) are a graphical representation of the flow of data into, around, and out of a system.

Note

Refer to the following links for more information on DFDs:

Throughout the seventies, various academics developed methodologies for modeling data flows. The one by Gane and Sarson is utilized in the Data Flow Model Diagrams template in Visio. This methodology has the following four elements:

  • Squares representing external entities, which are sources or destinations of data. These are the places that provide the organization with data, or have data sent to them by the organization (for example, customers, partners, government bodies).

  • Rounded rectangles representing processes, which take data as input, do something to it, and output it.

  • Arrows representing the data flows, which can be either...

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Microsoft Visio 2010 Business Process Diagramming and Validation
Published in: Jul 2010Publisher: PacktISBN-13: 9781849680141
© 2010 Packt Publishing Limited All Rights Reserved

Author (1)

author image
David Parker

David J Parker's background has been in data visualization ever since he struggled to produce lists of hospital equipment from Computer Aided Design models of buildings as a budding architect in the '80s. He moved into building and infrastructure asset management in the late '80s using a Unix system and gradually migrated to Windows-based systems throughout the '90s. He became a European Business partner of Visio Corporation in 1996 and presented the database-linked Visio solutions that he was providing merchant banks in London and New York with at several international conferences. David started bVisual Ltd. in 1998, which provides Visio-based solutions to various industries, and became a Silver-level Microsoft partner. He has been a Microsoft MVP (Visio) for the last 12 years and has helped Microsoft Corp, UK and Western Europe, by providing Visio solutions, training, website content, and presentations. David has had several books on Visio published and has been presenting Visio/SharePoint integration courses for many years for Microsoft Western Europe, from Oslo in the North down to Lisbon in the South. He has presented at SQL and SharePoint Saturday conferences and writes a regular blog for people interested in Microsoft Visio.
Read more about David Parker

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