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Martin Popel, David Mareček (2010): Perplexity of n-gram and Dependency Language Models. In: Text, Speech and Dialogue. 13th International Conference, TSD 2010, Brno, Czech Republic, September 6-10, 2010. Proceedings, Lecture Notes in Computer Science, ISSN 0302-9743, 6231, pp. 173-180, Springer, Berlin / Heidelberg, ISBN 978-3-642-15759-2 (local PDF, local PDF, obd, bibtex)