@Article{Carvalho2016How,
author = {Arthur Carvalho and Stanko Dimitrov and Kate Larson},
title = {How many crowdsourced workers should a requester hire?},
journal = {Annals of Mathematics and Artificial Intelligence},
year = {2016},
pages = {1-28},
doi = {10.1007/s10472-015-9492-4},
url = {http://dx.doi.org/10.1007/s10472-015-9492-4" }
}