1. Arora, C., Sabetzadeh, M., Briand, L., Zimmer, F.: Automated checking of conformance to requirements templates using natural language processing. IEEE Trans. on Softw. Eng. 41(10), 944–968 (2015)
2. Cunningham, H.: Gate, a general architecture for text engineering. Comput. Humanit. 36(2), 223–254 (2002)
3. Femmer, H.: Requirements quality defect detection with the Qualicen requirements Scout. In: Joint Proceedings of 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018). CEUR Workshop Proceedings, vol. 2075. CEUR-WS.org (2018)
4. Ferrari, A., Gori, G., Rosadini, B., Trotta, I., Bacherini, S., Fantechi, A., Gnesi, S.: Detecting requirements defects with NLP patterns: an industrial experience in the railway domain. Empirical Softw. Eng. 23(6), 3684–3733 (2018). https://doi.org/10.1007/s10664-018-9596-7
5. Gnesi, S., Lami, G., Trentanni, G.: An automatic tool for the analysis of natural language requirements. Comput. Syst. Sci. Eng. 20(1), 1–17 (2005)