Another important feature of document-level prediction is that certain parts of a document may be more important than others, such sentences containing keywords in a news article, versus sentences containing background information.
we use the QE dataset in , which i) is a superset of the official dataset for the wMT 2017 QE task and for which the POSTECH architecture has been developed, allowing us to validate our reimplementation; ii) contains translations from neural MT systems.