TY  - RPRT
TI  - The sixteenth text retrieval conference TREC 2007 
AU  - Voorhees, Ellen M
AU  - Buckland, Lori P
PY  - 2008
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST SP 500-274
DO  - 10.6028/NIST.SP.500-274
ER  -