TY - GEN AU - Ellen Voorhees C2 - Other, National Institute of Standards and Technology, Gaithersburg, MD DA - 2003-04-01 LA - en PB - Other, National Institute of Standards and Technology, Gaithersburg, MD PY - 2003 TI - Overview of the TREC 2002 Question Answering Track UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50780 ER -