Verification of Requirements Extraction and Prioritization Based on Goal Oriented Use Case Approach by using Use Case Points

To collect and analyze the requirements to make the products that customers want is an important starting point in the requirements engineering stage. In the requirement engineering is focus on building a qualitative system through identification and extraction of value requirements. A lot of researches for complete requirements, but they are difficult to determine correct extraction requirements. A purpose of this paper is that a goal approach is graft on to use case approach to reach a target system through goal-oriented requirements. For this, we suggest that the extraction and prioritization of requirements for fitting on the goal approach, and then to make a change an existing value based approach to show the prioritization of requirements based on goal-oriented requirements. It helps to make a target product customers want from extracting a highly importance of use cases and requirements. Beside it gets a benefit of the prioritization of test cases by prioritization of all requirements, and it is possible to measure coverage of test cases quantitatively. Finally, we verify the prioritization of requirements based on goal-oriented use case approach by calculating prioritization about use cases using the Use Case points proposed by Karner [5].