E. Maddalena, M. Basaldella, D. De Nart, D. Degl’Innocenti, S. Mizzaro, and G. Demartini, “Crowdsourcing Relevance Assessments: The Unexpected Benefits of Limiting the Time to Judge”, HCOMP, vol. 4, no. 1, pp. 129–138, Sep. 2016.