Cima G, Console M, Delfino RM, Lenzerini M, Poggi A. Answering Conjunctive Queries with Safe Negation and Inequalities over RDFS Knowledge Bases. AAAI [Internet]. 2025 Apr. 11 [cited 2026 May 14];39(14):14824-31. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/33625