Million Query Track 2007 Overview. - James Allan; Ben Carterette; Blagovest Dachev; Javed A. Aslam; Virgiliu Pavlu; Evangelos Kanoulas (TREC, 2007)

UMass Complex Interactive Question Answering (ciQA) 2007: Human Performance as Question Answerers. - Mark D. Smucker; James Allan; Blagovest Dachev (TREC, 2007)

Human question answering performance using an interactive document retrieval system. - Mark D. Smucker; James Allan; Blagovest Dachev (IIiX, 2012)