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Use of Modality and Negation in Semantically-Informed Syntactic MT
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Semantically-Informed Syntactic Machine Translation: A Tree-Grafting Approach ...
Baker, Kathryn; Bloodgood, Michael; Callison-Burch, Chris. - : Digital Repository at the University of Maryland, 2010
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Semantically-Informed Syntactic Machine Translation: A Tree-Grafting Approach
Abstract: We describe a unified and coherent syntactic framework for supporting a semantically-informed syntactic approach to statistical machine translation. Semantically enriched syntactic tags assigned to the target-language training texts improved translation quality. The resulting system significantly outperformed a linguistically naive baseline model (Hiero), and reached the highest scores yet reported on the NIST 2009 Urdu-English translation task. This finding supports the hypothesis (posed by many researchers in the MT community, e.g., in DARPA GALE) that both syntactic and semantic information are critical for improving translation quality—and further demonstrates that large gains can be achieved for low-resource languages with different word order than English. ; We thank Basis Technology Corporation for their generous contribution of software components to this work. This work is supported, in part, by the Johns Hopkins Human Language Technology Center of Excellence, by the National Science Foundation under grant IIS-0713448, and by BBN Technologies under GALE DARPA/IPTO Contract No. HR0011-06-C-0022. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the sponsor.
Keyword: artificial intelligence; computational linguistics; computer science; human language technology; machine learning; machine translation; modality; named entities; natural language processing; negation; semantically-informed machine translation; semantically-informed syntactic machine translation; statistical machine translation; statistical methods; translation technology; tree-grafting; Urdu-English translation
URL: https://doi.org/10.13016/M2H59F
http://hdl.handle.net/1903/15579
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