iAssist: An Intelligent Assistance System using SLSS, Mixture Model and SNMF. International Journal of Current Engineering and Technology, [S. l.], v. 4, n. 3, p. 1655–1660, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/902. Acesso em: 6 apr. 2026.