An example of a State Diagram in software requirements gathering helps you see how they are useful. We walk through creating and reading an example State Diagram in Part 10 […]
Tag: RML
An Affinity Diagram of Models to use in Software Requirements Gathering
There are many models to use in the software requirements gathering process. We use an Affinity Diagram to group the models of RML® you might use in part five, “An […]
What Are Requirements Models in Software Requirements Gathering
Requirements models are the basis for our work in software requirements gathering projects. We explain what we mean by the phrase “models” and give a few examples from everyday life […]
Re-using DAR models in Your Software Requirement Specification
I recently wrote about one of my favorite RML® models, the Display Action Response (DAR) model. This model has been on my mind a lot and I do hope it […]
Display Action Response Models for User Interface Requirements
We encourage Business Analysts to use Display Action Response models to capture user interface requirements for pretty much any application that has a UI – custom built or configurable. A post […]
Behind the scences at our video shoot: Requirements Visualization Training- A guide to RML
This week was our first video shoot in our video training series, Requirements Visualization Training- A guide to RML. This is a training series that we have presented to clients […]
RML Model: Business Data Instance Diagram
As many of you who are familiar with RML know, the models are organized into 3 categories: people, systems and data. People models are models that relate to who is using the […]
Using Software Requirements Models Together for Completeness
We’ve done a bit of writing on the use of requirements models, but there is much less information out there about using requirements models together. Klaas Sikkel presented a paper […]
Lessons for a Good Hair Cut
Last year, I wrote about my Lessons from a Bad Haircut. I’m please to say I finally have a lesson from a good haircut. How did I finally get a […]
RML® Model 4 – Data Dictionary
When creating a data dictionary, it is critical not to design with it. You should not be attempting to create a database nor should you be showing the relationships of […]
RML™ Requirements Model 5 – The Data Flow Diagram (DFD)
The Data Flow Diagram (DFD) is a very useful part of the Requirements Modeling Language (RML™). The Structured Analysis Wiki contains a great explanation of how to create a […]
Live from REFSQ: Deriving Information Requirements from Responsibility Models
Tim Storer from St. Andrews University in Scotland presented this paper. His underlying assumption is that in large scale socio-technical enterprise systems, you are constrained by the design of the […]