CALERO, J. M. A. ., ORTEGA, A. M. ., PEREZ, G. M. ., BLAYA, J. A. B. ., & SKARMETA, A. F. G. . (2012). A NON-MONOTONIC EXPRESSIVENESS EXTENSION ON THE SEMANTIC WEB RULE LANGUAGE. Journal of Web Engineering, 11(2), 093–118. Retrieved from https://journals.riverpublishers.com/index.php/JWE/article/view/4213