Using a Treebank Grammar for the Syntactical Annotation of German Lexical Phrases

The aim of this paper is to investigate whether a treebank grammar can be used to automatically classify and annotate German phrases contained in a MT lexicon. Phrases from the lexicon appear in their citation form and may differ structurally from the phrase tokens found in the corpus. We describe the grammar extraction process for a formalism called Tree-Generating Binary Grammar and evaluate the performance of subsets of the obtained grammar on a set of four types of lexical phrases.