TY - GEN AU - Ian Soboroff C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2022-05-06 04:05:00 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2022 TI - Overview of TREC 2021 UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=934456 ER -