Representing and Using Nonfunctional Requirements: A Process-Oriented Approach
IEEE Transactions on Software Engineering - Special issue on knowledge representation and reasoning in software development
AGORA: Attributed Goal-Oriented Requirements Analysis Method
RE '02 Proceedings of the 10th Anniversary IEEE Joint International Conference on Requirements Engineering
Towards Modeling and Reasoning Support for Early-Phase Requirements Engineering
RE '97 Proceedings of the 3rd IEEE International Symposium on Requirements Engineering
Goal-Oriented Requirements Engineering: A Guided Tour
RE '01 Proceedings of the Fifth IEEE International Symposium on Requirements Engineering
Requirements Engineering
Reasoning About Alternative Requirements Options
Conceptual Modeling: Foundations and Applications
Evaluating goal models within the goal-oriented requirement language
International Journal of Intelligent Systems - Goal-driven Requirements Engineering
Integrating Preferences into Goal Models for Requirements Engineering
RE '10 Proceedings of the 2010 18th IEEE International Requirements Engineering Conference
Finding solutions in goal models: an interactive backward reasoning approach
ER'10 Proceedings of the 29th international conference on Conceptual modeling
Analyzing goal models: different approaches and how to choose among them
Proceedings of the 2011 ACM Symposium on Applied Computing
On the quantitative analysis of agent-oriented models
CAiSE'06 Proceedings of the 18th international conference on Advanced Information Systems Engineering
A probabilistic framework for goal-oriented risk analysis
RE '12 Proceedings of the 2012 IEEE 20th International Requirements Engineering Conference (RE)
Managing requirements uncertainty with partial models
RE '12 Proceedings of the 2012 IEEE 20th International Requirements Engineering Conference (RE)
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In this paper, we propose to evaluate Web-specific Goal Driven Models to choose amongst various design alternatives, deal with conflicts, check completeness and reaffirm the sanity of the model. The work is based on Web specific User Requirements Notation (WebURN), which is an enhancement of a goal and scenario based standard, User Requirements Notation (URN). We present the forward reasoning approach for finding the satisfaction level of the root/parent goals from the sub-goals in the goal model. The Quantitative Reasoning method called Forward Reasoning and Evaluation: Numeric (FREN) is apt when enough domain knowledge is there and precise results are expected. We propose a Quantitative Reasoning and Evaluation approach in this paper wherein the requirements engineer has an estimate of the satisfaction level of tasks and knows the priorities of various goals and sub-goals. The rules for propagation of satisfaction values from the leaves to the root level goals are specified in detail. The approach is then applied to the Web-specific Goal driven Requirements models for evaluation. The methodology has been implemented in the WebURN tool, built upon Microsoft Visio for editing and analyzing the WebURN diagrams. The results of evaluations are also compared with other prominent approaches in the area of Goal oriented Requirements Engineering. The methodology used for evaluation enables choice amongst design alternatives, resolves conflicts automatically and incorporates the role of priority in making design decisions.