Ham, N. D., Bảy, V. Đình, Minh, N. T. H. and Hong, T.-P. (2015) “MBiS: an efficient method for mining frequent weighted utility itemsets from quantitative databases”, Journal of Computer Science and Cybernetics, 31(1), pp. 17–30. doi: 10.15625/1813-9663/31/1/5154.