@article {DeutchFG17,
	title = {Provenance for Natural Language Queries},
	journal = {Proc. VLDB Endow.},
	volume = {10},
	number = {5},
	year = {2017},
	pages = {577{\textendash}588},
	author = {Daniel Deutch and Nave Frost and Amir Gilad}
}
