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WORL: A Web Ontology Rule Language
Found in: Knowledge and Systems Engineering, International Conference on
By Son Thanh Cao,Linh Anh Nguyen,Andrzej Szalas
Issue Date:October 2011
pp. 32-39
We develop a Web ontology rule language, called WORL, which combines a variant of OWL 2 RL with eDatalog-with-negation. We disallow the features of OWL 2 RL that play the role of constraints (i.e., the ones that are translated to negative clauses), but all...
On the efficiency of query-subquery nets: an experimental point of view
Found in: Proceedings of the Fourth Symposium on Information and Communication Technology (SoICT '13)
By Son Thanh Cao
Issue Date:December 2013
pp. 148-157
The aim of this paper is to analyze the efficiency of the QSQN method, which was proposed by us and Nguyen in [10] for evaluating queries to Horn knowledge bases. In order to compare QSQN with the well-known methods QSQR and the one based on the Magic-Set ...