Characterizing and Predicting Corrections in Spoken Dialogue Systems Diane Litman author Marc Swerts author Julia Hirschberg author 2006 text journal article Computational Linguistics continuing periodical academic journal litman-etal-2006-characterizing 10.1162/coli.2006.32.3.417 https://aclanthology.org/J06-3004/ 2006 32 3 417 438