Bitextor's participation in WMT'16: shared task on document alignment.

This paper describes the participation of Prompsit Language Engineering and the Universitat d’Alacant in the shared task on document alignment at the First Conference on Machine Translation (WMT 2016). Two systems have been submitted, corresponding to two different versions of the tool Bitextor: the last stable release, version 4.1, and the newest one, version 5.0. The paper describes the main features of each version of the tool and discusses the results obtained on the data sets published for the shared task.