Use Case vs. UML Statechart – Business Rules

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What is the better requirements management model for capturing business rules? The use case, or the UML statechart? In this article, we explore how customer orders are submitted and processed, and contrast how use cases and statecharts expose and document business requirements and business rules.

Use Case vs. Process Flow – Failure Handling

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Should you use use cases or process flow diagrams to document business requirements? At some level, they both document the same thing, they just document it differently. The best requirements will come from doing both – but what if you are forced to choose one? What are the tradeoffs between use cases and process flows? In this article we look at the documentation of failure handling.

How To Visualize Stakeholder Analysis

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The first step of gathering requirements is to identify who can give you the requirements. Business processes include communication between different people inside the organization. Communication also includes people outside the organization. When gathering requirements, it can be easy to overlook the people who don’t use the software directly. Those people may still be stakeholders. Read on to see how to approach stakeholder analysis.

How To Write Use Case Preconditions and Triggers

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Use case writing is key to effective requirements management. Each use case represents a single idea or logically grouped behaviors. When you define a use case, there are several mistakes you can make. Preventing those mistakes is the first order of business. The second order of business is making sure that the use cases in the system work together. This requires an understanding of the context in which the use case happens. To fully understand a use case you have to know what is promised to be true before the use case happens, as well as what causes the use case to happen. These are subtly different.

CMMI and RMM One Minute Survey

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See what CMMI levels and RMM levels other teams are using. Take a minute out of your day to tell us your CMMI level and RMM level. We all want to know, but we need your help – if you don’t answer, you won’t learn anything. Thanks for clicking through! And check back later to see the results as they come in.

CMMI Levels and RMM Level 4 – Traced Requirements

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In our introduction to mapping RMM levels to CMMI levels, we presented background info on CMMI, introduced the IBM article on RMM levels, and posted an initial mapping structure. In this article, we will look at the definition of RMM level 4. W also look at the mapping from RMM level 4 to various CMMI levels.