Proceedings of the Fourth Conference on Machine Translation (Volume 2: Shared Task Papers, Day 1)

The Fourth Conference on Machine Translation (WMT 2019) took place on Thursday, August 1 and Friday, August 2, 2019 in Florence, Italy, immediately following the 57th Annual Meeting of the Association for Computational Linguistics (ACL 2019).This is the fourth time WMT has been held as a conference. The first time WMT was held as a conference was at ACL 2016 in Berlin, Germany, the second time at EMNLP 2017 in Copenhagen, Denmark, and the third time at EMNLP 2028 in Brussels, Belgium. Prior to being a conference, WMT was held 10 times as a workshop. WMT was held for the first time at HLT-NAACL 2006 in New York City, USA. In the following years the Workshop on Statistical Machine Translation was held at ACL 2007 in Prague, Czech Republic, ACL 2008, Columbus, Ohio, USA, EACL 2009 in Athens, Greece, ACL 2010 in Uppsala, Sweden, EMNLP 2011 in Edinburgh, Scotland, NAACL 2012 in Montreal, Canada, ACL 2013 in Sofia, Bulgaria, ACL 2014 in Baltimore, USA, and EMNLP 2015 in Lisbon, Portugal.