NDLI: Ontology and Model Alignment as a Means for Requirements Validation

Content Provider	IEEE Xplore Digital Library
Author	Kof, L. Gacitua, R. Rouncefield, M. Sawyer, P.
Copyright Year	2010
Abstract	This paper reports on work that is investigating the application of ontology engineering and natural language processing to software engineering. Our focus is the transition from requirements to design which remains one of the main challenges in software engineering. A key reason for why this is so challenging is that the vast majority of requirements documents are informal, written in natural language, whereas the final goal (code) is formal. System models, as an intermediate step between the requirements and code, help understand requirements. Even a seemingly precise requirements document typically contains a lot of inconsistencies and omissions, which become visible when we model the system. Our hypothesis is that these inconsistencies become apparent when we compare the project-specific model with a generic model of the application domain. To test our hypothesis, we need to transform natural language representations of requirements information into a form that facilitates comparison with a domain model. Naturally, we also need a domain model against which to compare and this presupposes a means to construct such models. In the paper, we extract a conceptual model (an ontology) and a behavioural model from different sources. An ontology is generated from a generic domain description, and a projectspecific model is generated from requirements documents. For ontology generation, natural language processing techniques are used to aid the construction. By comparing the resulting models, we validate both of them. When inconsistencies are found, we generate feedback for the analyst. The generated feedback was validated on a case study and has proven useful to improve both requirements documents and models.
Starting Page	46
Ending Page	51
File Size	180891
Page Count	6
File Format	PDF
ISBN	9781424479122
DOI	10.1109/ICSC.2010.95
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computational modeling Semantics Natural languages Taxonomy Receivers Ontologies Compounds
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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