@inproceedings {192119,
	author = {Boris Glavic and Sven K{\"o}hler and Sean Riddle and Bertram Lud{\"a}scher},
	title = {Towards Constraint-based Explanations for Answers and {Non-Answers}},
	booktitle = {7th USENIX Workshop on the Theory and Practice of Provenance (TaPP 15)},
	year = {2015},
	address = {Edinburgh, Scotland},
	url = {https://www.usenix.org/conference/tapp15/workshop-program/presentation/glavic},
	publisher = {USENIX Association},
	month = jul
}
