Hdrug. A Flexible and Extendible Development Environment for Natural Language Processing.
Gertjan van Noord, Gosse Bouma · 1997
Alfa-informatica & BCN, University of Groningen {vannoord, gosse}Olet. rug. nl parsers and generators for natural languages. The package is written in Sicstus Prolog and Tcl/Tk. The system provides a graphical user interface with a command interpreter, and a number of visualisation tools, including visualisation of fea- ture structures, syntax trees, type hierarchies, lexical hierarchies, feature structure trees, definite clause definitions, grammar rules, lexical entries, and graphs of statis- tical information of various kinds.