Survey of the State of the Art in Human Language Technology.
Cole, Ronald and Mariani, Joseph and Uszkoreit, Hans and Varile, G. B. and Zaenen, Annie and Zampolli, Antonio and Zue, Victor W.
Cambridge University Press. Cambridge, 1997.
http://www.lt-world.org/hlt_survey/master.pdf

Language technology (LT), also Human Language Technology (HLT), is the cover term for all information technologies specialized for dealing with text and speech in human language. It is also the field of engineering in which LT methods and applications are developed.