TY - CONF T1 - Quality control attack schemes in crowdsourcing JO - Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence PY - 2019/01/01 AU - Checco A AU - Bates J AU - Demartini G ED - Kraus S DO - DOI: 10.24963/ijcai.2019/850 PB - International Joint Conferences on Artifical Intelligence (IJCAI) SN - 9780999241141 SP - 6136 EP - 6140 Y2 - 2024/12/22 ER -