@article {DeutchGM18,
	title = {Efficient provenance tracking for datalog using top-k queries},
	journal = {VLDB J.},
	volume = {27},
	number = {2},
	year = {2018},
	pages = {245{\textendash}269},
	author = {Daniel Deutch and Amir Gilad and Yuval Moskovitch}
}
