Detecting Web requirements conflicts and inconsistencies under a model-based perspective

•We present our characterization of requirement conflicts.•We present our approach for detecting inconsistencies and dealing with them.•We show how such approach is used in NDT by means of an illustrative example.•We present a set of rules for conciliating requirement conflicts.•We present result of...

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Bibliographic Details
Published in:The Journal of systems and software 2013-12, Vol.86 (12), p.3024-3038
Main Authors: Escalona, M.J., Urbieta, M., Rossi, G., Garcia-Garcia, J.A., Luna, E. Robles
Format: Article
Language:English
Subjects:
Computer programs
Consistency
Contradiction
Dealing
Life cycle engineering
Nondestructive testing
Project management
Reduction
Requirements
Software
Software engineering
Specifications
Studies
Tasks
Web requirements
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Summary:•We present our characterization of requirement conflicts.•We present our approach for detecting inconsistencies and dealing with them.•We show how such approach is used in NDT by means of an illustrative example.•We present a set of rules for conciliating requirement conflicts.•We present result of our experiment in a real project that was developed with NDT. Web requirements engineering is an essential phase in the software project life cycle for the project results. This phase covers different activities and tasks that in many situations, depending on the analyst's experience or intuition, help getting accurate specifications. One of these tasks is the conciliation of requirements in projects with different groups of users. This article presents an approach for the systematic conciliation of requirements in big projects dealing with a model-based approach. The article presents a possible implementation of the approach in the context of the NDT (Navigational Development Techniques) Methodology and shows the empirical evaluation in a real project by analysing the improvements obtained with our approach. The paper presents interesting results that demonstrate that we can get a reduction in the time required to find conflicts between requirements, which implies a reduction in the global development costs.
ISSN:0164-1212
1873-1228
DOI:10.1016/j.jss.2013.05.045