TY - GEN AU - Voorhees, Ellen M. AU - Craswell, Nick AU - Mitra, Bhaskar AU - Campos, Daniel AU - Yilmaz, Emine C2 - OTHER, National Institute of Standards and Technology, Gaithersburg, MD DA - 2020-07-27 04:07:00 LA - en PB - OTHER, National Institute of Standards and Technology, Gaithersburg, MD PY - 2020 TI - Overview of the TREC 2019 Deep Learning Track ER -