The Karlsruhe Institute of Technology translation systems for the WMT 2011

Authors:
Teresa Herrmann;Mohammed Mediani;Jan Niehues;Alex Waibel
Affiliations:
Karlsruhe Institute of Technology, Karlsruhe, Germany;Karlsruhe Institute of Technology, Karlsruhe, Germany;Karlsruhe Institute of Technology, Karlsruhe, Germany;Karlsruhe Institute of Technology, Karlsruhe, Germany
Venue:
WMT '11 Proceedings of the Sixth Workshop on Statistical Machine Translation
Year:
2011

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Abstract

This paper describes the phrase-based SMT systems developed for our participation in the WMT11 Shared Translation Task. Translations for English↔German and English↔French were generated using a phrase-based translation system which is extended by additional models such as bilingual and fine-grained POS language models, POS-based reordering, lattice phrase extraction and discriminative word alignment. Furthermore, we present a special filtering method for the English-French Giga corpus and the phrase scoring step in the training is parallelized.