TY - RPRT TI - Challenge design and lessons learned from the 2018 differential privacy challenges AU - Ridgeway, Diane AU - Theofanos, Mary F AU - Manley, Terese W AU - Task, Christine PY - 2021 PB - National Institute of Standards and Technology (U.S.) CY - Gaithersburg, MD SN - NIST TN 2151 DO - 10.6028/NIST.TN.2151 ER -