The Conceptual Model

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#3 in my series, Design of Digital Machines

Describes what a conceptual model is, visualization standards, and conceptual modeling challenges.

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The Conceptual Model

  1. 1. Conceptual ModelWhat is this all about, anyway?№ 3, Design of Digital MachinesTim Sheiner0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States.
  2. 2. The four sub models of the machine object model Input Controller Output View Model Digital Machine interaction model data model conceptual model The conceptual model corresponds most closely to entire digital machine.0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States. 2
  3. 3. What does this thing do?The concept model defines the system purpose๏ what problem it solves (the need),๏ for whom it solves the problem (the persona).You learn the concept model one of 3 ways1. It is given to you;2. You need to figure it out;3. It is given to you, but incorrectly, see case 2.0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States. 3
  4. 4. Solution for case 2: Do user research0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States. 4
  5. 5. Communicating the Concept ModelTwo standard formats1. Prose description2. Concept Map0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States. 5
  6. 6. Example: Prose Description“A concept model is a high level description of anapplication.๏ it enumerates all concepts in the application that a user can encounter๏ describes how those concepts relate to each other๏ and explains how those concepts fit into task that users perform with the application”0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States. 6
  7. 7. Example: Prose Description“A concept model is a high level description of anapplication.๏ it enumerates all concepts in the application that a user can encounter๏ describes how those concepts relate to each other๏ and explains how those concepts fit into task that users perform with the application”Johnson & Henderson, Conceptual Models, 20120.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States. 6
  8. 8. Example: Concept Map a Concept Model concepts users identifies that matter to organized who need who want to into achieve particular application workflows goals tool for permit achieving particular tasks based on Johnson & Henderson, 20120.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States. 7
  9. 9. Concept Modeling Challenges๏ Keeping it simple and focused๏ Keeping it conceptual ➡ does not describe implementation ➡ does not describe user interface ➡ does not describe use cases ➡ does describe utility0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States. 8
  10. 10. fin0.5beta 2013 This work by Tim Sheiner is licensed under a Creative Commons Attribution 3.0 United States. 9

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