Stephan Oepen Kristina Toutanova Stuart M. Shieber Christopher D. Manning Dan Flickinger Thorsten Brants The LinGO Redwoods Treebank: Motivation and Preliminary Applications. 2002 COLING http://acl.ldc.upenn.edu/C/C02/C02-2025.pdf db/conf/coling/coling2002.html#OepenTSMFB02