Models

People, Systems and Data analysis

When looking at an existing application ecosystem for the first time, whether for an upgrade to the functionality or for a complete system migration, it is sometimes difficult to know where to begin in our quest to understand the ecosystem. To add to the problem, the most common state that …

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Requirements Model 3 – Click-Action-Response Tables

My latest requirements model discussion centers around a tool that we developed at Seilevel for a very large and complicated web-based application a few years ago. These tables can be a real life saver when used on the right kind of project. A click-action-response table can be intimidating at first …

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Two weeks from tonight – Seilevel presents

On Wednesday evening, February 15th, Joe Shideler and I will be presenting at a special combined meeting of IEEE Computer Society, Austin Chapter and Austin Software Process Improvement Network (A-SPIN). The title of our presentation is Beyond The System Shall – A Journey From Good to Great Requirements. This is …

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Software Requirements Model 2 – The Decision Tree

This is post number two in my continuing series of requirements model discussions. You can view my first post here. This time around, I’d like to discuss decision tree diagrams. These simple flowcharts can make your life much easier when writing a software requirements document. A decision tree diagram really …

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Requirements Model 1 – The State Table

As Anthony C. said in an earlier blog post, requirements models are a great way to discover missing requirements in your software system. Without a good model, you have no way to be sure that you captured every requirement and seeing the missing requirements becomes nigh impossible. One of my …

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Finding missing requirements

I went to a two day requirements training course the last week which did a great job of covering the basics of requirements. The course was taught by Cheryl Hill at Compliance Automation . I thought the content was great, but that there was a hole in their methodology for …

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