Answering why-not questions on metric probabilistic range queries
L. Chen, Y. Gao, K. Wang, C. S. Jensen and G. Chen, "Answering why-not questions on metric probabilistic range queries," 2016 IEEE 32nd International Conference on Data Engineering (ICDE), Helsinki, 2016, pp. 767-778, doi: 10.1109/ICDE.2016.7498288.