Comparing DEMO with i_Star - In Identifying Software Functional Requirement

Tarek Fatyani, Junichi Iijima, Jaehyun Park

Abstract

Information systems development (ISD) has encountered a variety of challenges in terms of identifying the requirements among multiple stakeholders. This is due to the complexity of the related information. Therefore, an abstract model of the enterprise is needed to focus on people and their needs before developing any information system. To respond to this need, new modeling methodologies that focus on modeling the enterprise as a social system have got a wide acceptance. DEMO and i* are an example of these modeling methodologies. They focus on modeling the people and the interaction between them. Although DEMO is a based on strong theories, it is not used much as i* in requirement engineering. Therefore, this research compares these two modeling methodology in identifying the functional requirements for developing information system. The comparison is to highlight the strong and the weak part of both modelings. Moreover, this research draws guidelines for improving both methodologies in modeling enterprise as a prior step in developing information system. As a result, the concept of modeling the interaction between DEMO and i* is different. DEMO is more formal inmodeling the interaction rather than i*. Moreover, DEMO models both the structure and the behavior through its different diagrams. But i* does not capture the behavior. In contrast, i* allows to model the non-functional requirements, too. Sometimes it is useful to analysis them during the first stages of requirements analysis.

References

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Paper Citation


in Harvard Style

Fatyani T., Iijima J. and Park J. (2015). Comparing DEMO with i_Star - In Identifying Software Functional Requirement . In Proceedings of the Fifth International Symposium on Business Modeling and Software Design - Volume 1: BMSD, ISBN 978-989-758-111-3, pages 149-155. DOI: 10.5220/0005886401490155


in Bibtex Style

@conference{bmsd15,
author={Tarek Fatyani and Junichi Iijima and Jaehyun Park},
title={Comparing DEMO with i_Star - In Identifying Software Functional Requirement},
booktitle={Proceedings of the Fifth International Symposium on Business Modeling and Software Design - Volume 1: BMSD,},
year={2015},
pages={149-155},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005886401490155},
isbn={978-989-758-111-3},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Fifth International Symposium on Business Modeling and Software Design - Volume 1: BMSD,
TI - Comparing DEMO with i_Star - In Identifying Software Functional Requirement
SN - 978-989-758-111-3
AU - Fatyani T.
AU - Iijima J.
AU - Park J.
PY - 2015
SP - 149
EP - 155
DO - 10.5220/0005886401490155