Problem Frames: Analysing and Structuring Software Development ProblemsAddison-Wesley, 2001 - 390 pagina's "Understanding and using problem frames will likely become an essential skill of all good software system designers. Jackson's book provides a beautifully crafted pathway into this world." David Garlan, Associate Professor, Computer Science Department, Carnegie Mellon University "In 'Problem Frames' I believe that Michael Jackson has taken the mysticism that surrounds design patterns and constructed a much more accessible technique utilizing a frame metaphor." It is tempting when approaching a software development problem to rush headlong into the trap of thinking too soon about the solution. Software development problems are about the world outside the computer the real environment in which the system must have its effect and demand consideration of the surrounding characteristics, relationships and context. Problem frames are a tool for classifying, analyzing and structuring such software development problems. Whereas object oriented patterns are primarily concerned with solutions, problem frames focus on the problem itself, enabling you to understand and address it clearly and directly. This book is a must-have for all IT professionals facing software development problems on a daily basis. If you are a systems analyst or requirements engineer it will provide an essential, practical guide from the task of identifying the problem to making the descriptions needed to resolve it. It will help you:
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... subproblems . Each of the seven is an instance , in the patient monitoring world , of a subproblem class that I have seen many times before in other contexts . If you know how to count apples , it's not such a big leap to solving a ...
... subproblem is concerned , they can be anything whatsoever , subject to their domain properties . A subproblem as a problem projection - - When you decompose a problem into several subproblems you are creating several projections which ...
... subproblems . It appears in this subproblem , where it is created . and updated . It also appears in whatever other subproblem may use it for the moni- toring itself . This problem needs both the EditOpns , which the PREdit machine ...
Inhoudsopgave
Focusing on problems | 1 |
chapter | 17 |
chapter | 18 |
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Problem Frames: Analysing and Structuring Software Development Problems M. A. Jackson Fragmentweergave - 2001 |
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