This content is only available as a PDF.
Author notes
* Center for Language and Speech Processing, Johns Hopkins University, 320 Barton Hall, 3400 N. Charles Street, Baltimore, MD 21218, USA. E-mail: jelinek@jhu.edu. This article is the text of the talk given on receipt of the ACL's Lifetime Achievement Award in 2009.
© 2009 Association for Computational Linguistics
2009