@article {2017,
	title = {Understanding human-machine networks},
	journal = {ACM Computing Surveys},
	volume = {50},
	year = {2017},
	month = {Jan-04-2018},
	pages = {1 - 35},
	issn = {03600300},
	doi = {10.1145/3039868},
	author = {Tsvetkova, Milena and Yasseri, Taha and Meyer, Eric T. and Pickering, J. Brian and Engen, Vegard and Walland, Paul and L{\"u}ders, Marika and F{\o}lstad, Asbj{\o}rn and Bravos, George}
}
