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Automatic Transformation of Phrase Treebanks to Dependency Trees
Proceedings of the Fourth International Conference on Language Resources and Evaluation (LREC 2004)
Abstract
Word-to-word dependency structures are useful for consistent representation and comparable evaluation of parsing results. However, most large-scale treebanks contain various variants of phrase structure trees, since automatic parsers usually produce constituent structures. We present a freely available extensible tool for converting phrase structure to dependencies automatically, and discuss its application to the NEGRA treebank of German.