Quality estimation for machine translation: preface
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Machine translation (MT) has become a reality in many practical scenarios, from human-aided translation intended for publication, to fully automated translation for gisting purposes among end-users of online systems. This widespread use of MT systems has been motivated, among other things, by better translation quality, more user-friendly tools, and higher demand for translation. In order to make MT maximally useful in these scenarios, a quantification of the quality of translated segments at system run-time—similar to “fuzzy match scores” from translation memory systems—is needed.
Metrics of quality estimation address this problem as a machine learning task to predict quality by combining a number of features that describe different aspects of translation fluency and adequacy, source text complexity and “translatability”, and MT system confidence. Among other applications, these metrics can be useful to decide whether a given segment needs revision by a human translator, to estimate...
KeywordsMachine Translation Quality Estimation Shared Task Statistical Machine Translation Source Sentence
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