On the complexity of entailment in existential conjunctive first-order logic with atomic negation

Marie-Laure Mugnier, Geneviève Simonet, Michaël Thomazo. On the complexity of entailment in existential conjunctive first-order logic with atomic negation. Inf. Comput., 215:8-31, 2012. [doi]

Abstract

Abstract is missing.