Questioning Answering By Pattern Matching, Web-Proofing, Semantic Form Proofing. - Min Wu 004; Xiaoyu Zheng; Michelle Duan; Ting Liu 003; Tomek Strzalkowski (TREC, 2003)

ILQUA–An IE-Driven Question Answering System. - Min Wu 004; Michelle Duan; Samira Shaikh; Sharon G. Small; Tomek Strzalkowski (TREC, 2005)