Ken Barker Vinay K. Chaudhri Shaw Yi Chaw Peter Clark James Fan David J. Israel Sunil Mishra Bruce W. Porter Pedro Romero Dan Tecuci Peter Z. Yeh A Question-Answering System for AP Chemistry: Assessing KR&R Technologies. 488-497 2004 conf/kr/2004 KR db/conf/kr/kr2004.html#BarkerCCCFIMPRTY04