Key points are not available for this paper at this time.
This article is the second part of an updated version of the "MINDS 2006-2007 Report of the Speech Understanding Working Group," one of five reports emanating from two workshops entitled "Meeting of the MINDS: Future Directions for Human Language Technology," sponsored by the U.S. Disruptive Technology Office (DTO). (MINDS is an acronym for "machine translation, information retrieval, natural-language processing, data resources, and speech understanding").
Baker et al. (Wed,) studied this question.