Nematus: a Toolkit for Neural Machine Translation. - Rico Sennrich; Orhan Firat; Kyunghyun Cho; Alexandra Birch; Barry Haddow; Julian Hitschler; Marcin Junczys-Dowmunt; Samuel Läubli; Antonio Valerio Miceli Barone; Jozef Mokry; Maria Nadejde (EACL (Software Demonstrations), 2017)