@inproceedings {266680,
	author = {Yael Amsterdamer and Daniel Deutch and Val Tannen},
	title = {On the Limitations of Provenance for Queries with Difference},
	booktitle = {3rd USENIX Workshop on the Theory and Practice of Provenance (TaPP 11)},
	year = {2011},
	address = {Heraklion, Crete Greece},
	url = {https://www.usenix.org/conference/tapp11/limitations-provenance-queries-difference},
	publisher = {USENIX Association},
	month = jun
}
