J. Mayfield, P. McNamee, and C. Piatko. TREC, volume 500-246 of NIST Special Publication, National Institute of Standards and Technology (NIST), (1999)
P. McNamee, C. Piatko, and J. Mayfield. TREC, volume 500-251 of NIST Special Publication, National Institute of Standards and Technology (NIST), (2002)
P. McNamee, J. Mayfield, and C. Piatko. TREC, volume 500-249 of NIST Special Publication, National Institute of Standards and Technology (NIST), (2000)
C. Piatko, J. Mayfield, P. McNamee, and R. Cost. TREC, volume 500-261 of NIST Special Publication, National Institute of Standards and Technology (NIST), (2004)