Evaluation Of A Use Case Analysis - 1392 Words

6.0 USE CASE ANALYSIS The Use Case analysis is a method which focuses highly on the systems functional Requirements and when completed will consist of a Use Case Model. The model consists of actors, Use cases, use case scenarios and other criteria which helps represents the use case. Within a use case Model there are many relationships (generalization, include and extends) which help represent the flow and functionality of the system and its entity’s. A Use case describes the behaviour of a process within a system and usually has relationships with actors (external sources who interact with system). A Use Case scenario is identifying the specific executions carried out during a Use Case and these help create and gather requirements. Requirement Specification Approaches Evaluations Volere O’ Brien Use Case analysis Advantages Reduces Risk Of Requirements not being executed Easier for business directors to understand approach Manages the complexity of the system Follows a highly recommendable structure Highly supported for Testing Shows interaction with the system in an understandable way Reduces Risk of Scope changes Focuses from the start on business goals Helps envisage the outcomes from the system by analysing processes Allows for the business requirements to be modified Easy to organize architecturally important requirements Shows inputs to the processes and is the basis for requirements Disadvantages Requires a high amount of business time and resources MethodShow MoreRelatedApplications for Big Data Analysis1806 Words   |  7 Pagesintelligence, neural networks and other advanced analytics methods \cite{russom}. 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