International Journal of Computer Science Issues

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The requirement engineering is a field, in which software are modeled according to the requirements of the user. The software developed under requirement engineering will satisfy the users mostly on their perspective. So, recent researches are concentrating on the software development and analysis based on requirement engineering. The requirement engineering processes are also challenged by the risks in developing the software. So an efficient risk analysis system and risk management system is inevitable for the software development process under requirement engineering. In the proposed approach, a modified Tropos goal model for tackling the risk associated with the software development cycle is adopted. The Tropos goal model is three layer goal models, the top layer is the goal layer, the event layer in the middle and support layer in the bottom. The proposed approach defines a method to analyze the association between the nodes of each layer to evaluate their chances of raising the risks. The evaluations are assessed based on the nodes in the goal layer. On thorough analysis on the associations and impacts of event layer and support layer nodes to the goal layer nodes, the chances of raising risk can be calculated. The proposed approach explores the relative parameter like satisfaction parameter and denial parameter to efficient analysis of the risk factor. The experiments are conducted on java programming under JDK 1.7.0 platform and detailed analysis section is provided to find the cost to risk measure