Thuần H, Thạnh LM, Tuấn TC. Analysis of some methods to avoid infinite loops in the process of query valuation for the datalog proograms. JCC [Internet]. 2012 Jul. 29 [cited 2024 May 4];18(2):119-27. Available from: https://vjs.ac.vn/index.php/jcc/article/view/1597