Sanches, L., 		Costa, L., 		Souza, M., & 		Salvador, L.
(2019).
 Semantic Relationship Annotation in Learning Objects as an Open IE Paradigm.
In <em>Proceedings of the 30th Brazilian Symposium on Computers in Education</em>, (pp. 1701-1710). Porto Alegre: SBC.
doi:10.5753/cbie.sbie.2019.1701