Journal
IEEE TRANSACTIONS ON SOFTWARE ENGINEERING
Volume 41, Issue 10, Pages 944-968Publisher
IEEE COMPUTER SOC
DOI: 10.1109/TSE.2015.2428709
Keywords
Requirements templates; natural language processing (NLP); case study research
Funding
- National Research Fund-Luxembourg (Verification and Validation Laboratory) [FNR/P10/03]
- National Research Fund-Luxembourg (AFR) [FNR-6911386]
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Templates are effective tools for increasing the precision of natural language requirements and for avoiding ambiguities that may arise from the use of unrestricted natural language. When templates are applied, it is important to verify that the requirements are indeed written according to the templates. If done manually, checking conformance to templates is laborious, presenting a particular challenge when the task has to be repeated multiple times in response to changes in the requirements. In this article, using techniques from natural language processing (NLP), we develop an automated approach for checking conformance to templates. Specifically, we present a generalizable method for casting templates into NLP pattern matchers and reflect on our practical experience implementing automated checkers for two well-known templates in the requirements engineering community. We report on the application of our approach to four case studies. Our results indicate that: (1) our approach provides a robust and accurate basis for checking conformance to templates; and (2) the effectiveness of our approach is not compromised even when the requirements glossary terms are unknown. This makes our work particularly relevant to practice, as many industrial requirements documents have incomplete glossaries.
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