@misc{206641, author = {Ellen Voorhees}, title = {Overview of TREC 2006}, year = {2007}, month = {2007-11-26}, publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.500-272}, language = {en}, }