1. SHACL and OWL Compared.
http://spinrdf.org/shacl-and-owl.html
. Accessed 08 Jan 2019
2. Arellano, A., Zontek-Carney, E., Austin, M.A.: Frameworks for natural language processing of textual requirements. Int. J. Adv. Syst. Meas. 8, 230–240 (2015)
3. Lecture Notes in Computer Science;S Auer,2007
4. Ben Abdessalem Karaa, W., Ben Azzouz, Z., Singh, A., Dey, N., Ashour, A.S., Ben Ghazala, H.: Automatic builder of class diagram (ABCD): an application of UML generation from functional requirements. Softw. Pract. Exp. 46(11), 1443–1458 (2016)
5. Cyganiak, R., Wood, D., Lanthaler, M.: RDF 1.1 concepts and Abstract Syntax. W3C recommendation, W3C (2014).
http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225