The UPC submission to the WMT 2012 shared task on quality estimation

Authors:
Daniele Pighin;Meritxell González;Lluís Màrquez
Affiliations:
Universitat Politècnica de Catalunya, Barcelona;Universitat Politècnica de Catalunya, Barcelona;Universitat Politècnica de Catalunya, Barcelona
Venue:
WMT '12 Proceedings of the Seventh Workshop on Statistical Machine Translation
Year:
2012

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Abstract

In this paper, we describe the UPC system that participated in the WMT 2012 shared task on Quality Estimation for Machine Translation. Based on the empirical evidence that fluencyrelated features have a very high correlation with post-editing effort, we present a set of features for the assessment of quality estimation for machine translation designed around different kinds of n-gram language models, plus another set of features that model the quality of dependency parses automatically projected from source sentences to translations. We document the results obtained on the shared task dataset, obtained by combining the features that we designed with the baseline features provided by the task organizers.