Diego Dermeval, Glauber Leite, João Almeida, Josmario Albuquerque, Ig Ibert Bittencourt, Sean W. M. Siqueira, Seiji Isotani, Alan Pedro da Silva. An ontology-driven software product line architecture for developing gamified intelligent tutoring systems. Int. J. Knowledge Learning, 12(1):27-48, 2017. [doi]
Abstract is missing.