@article{Barr:2015qd,
	Author = {Earl Barr and Mark Harman and Phil McMinn and Muzammil Shahbaz and Shin Yoo},
	Journal = {IEEE Transactions on Software Engineering},
	Month = {May},
	Number = {5},
	Pages = {507-525},
	Title = {The Oracle Problem in Software Testing: A Survey},
	Volume = {41},
	Year = {2015}}