Belhaoues, Taki Eddine, Tahar Bensebaa, Meriem Abdessemed, and Anis Bey. 2016. “AlgoSkills: An Ontology of Algorithmic Skills for Exercises Description and Organization”. Journal of E-Learning and Knowledge Society 12 (1). https://doi.org/10.20368/1971-8829/1089.