文章基本信息

标题：On the String Translations Produced by Multi Bottom–Up Tree Transducers
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作者：Daniel Gildea
期刊名称：Computational Linguistics
印刷版ISSN：0891-2017
电子版ISSN：1530-9312
出版年度：2012
卷号：38
期号：3
页码：673-693
DOI：10.1162/COLI_a_00108
语种：English
出版社：MIT Press
摘要：Tree transducers are defined as relations between trees, but in syntax-based machine translation, we are ultimately concerned with the relations between the strings at the yields of the input and output trees. We examine the formal power of Multi Bottom-Up Tree Transducers from this point of view.