Maddalena, E., Basaldella, M., De Nart, D., Degl’Innocenti, D., Mizzaro, S. and Demartini, G. (2016) “Crowdsourcing Relevance Assessments: The Unexpected Benefits of Limiting the Time to Judge”, Proceedings of the AAAI Conference on Human Computation and Crowdsourcing, 4(1), pp. 129-138. doi: 10.1609/hcomp.v4i1.13284.