TREC 2002 QA at BBN: Answer Selection and Confidence Estimation. - Jinxi Xu; Ana Licuanan; Jonathan May; Scott Miller; Ralph M. Weischedel (TREC, 2002)

Answer Selection and Confidence Estimation. - Jinxi Xu; Ana Licuanan; Jonathan May; Scott Miller; Ralph M. Weischedel (New Directions in Question Answering, 2003)

TREC 2003 QA at BBN: Answering Definitional Questions. - Jinxi Xu; Ana Licuanan; Ralph M. Weischedel (TREC, 2003)

A Hybrid Approach to Answering Biographical Questions. - Ralph M. Weischedel; Jinxi Xu; Ana Licuanan (New Directions in Question Answering, 2004)

Evaluation of an extraction-based approach to answering definitional questions. - Jinxi Xu; Ralph M. Weischedel; Ana Licuanan (SIGIR, 2004)

Combining Deep Linguistics Analysis and Surface Pattern Learning: A Hybrid Approach to Chinese Definitional Question Answering. - Fuchun Peng; Ralph M. Weischedel; Ana Licuanan; Jinxi Xu (HLT/EMNLP, 2005)