Cima, Gianluca, et al. “Answering Conjunctive Queries With Inequalities in <em>DL-Lite< em><sub>ℛ< Sub>”;. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 34, no. 03, Apr. 2020, pp. 2782-9, doi:10.1609/aaai.v34i03.5666.