The 6 candidates for best paper award at the fourth ACM International Conference on Web Search and Data Mining (WSDM 2011) include a paper by Christina Brandt (Cornell CS B.S. '10, MEng '11, CRA award honorable mention), Thorsten Joachims, Yisong Yue (Cornell PhD '10), and Jacob Bank (Cornell CS A.B. '11, CRA award honorable mention) on "Dynamic Ranked Retrieval".
[Also, two of the other candidate papers have another Cornell alum (Filip Radlinksi, PhD) and Cornell former post-doc (Jure Leskovec) as authors.]