1. de Abreu, S.C., Vieira, R.: Relp: Portuguese open relation extraction. Knowl. Organ. 44(3), 163–177 (2017)
2. Akbik, A., Bergmann, T., Blythe, D., Rasul, K., Schweter, S., Vollgraf, R.: Flair: an easy-to-use framework for state-of-the-art NLP. In: Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics (Demonstrations), pp. 54–59 (2019)
3. Banko, M., Cafarella, M.J., Soderland, S., Broadhead, M., Etzioni, O.: Open information extraction for the web. In: IJCAI, vol. 7, pp. 2670–2676 (2007)
4. Lecture Notes in Computer Science (Lecture Notes in Artificial Intelligence);BS Cabral,2020
5. Cabral, B.S., Souza, M., Claro, D.B.: Explainable OpenIE classifier with Morpho-syntactic rules. In: HI4NLP@ ECAI, pp. 7–15 (2020)