@inproceedings{biblio3061645283882854655, author = {Jindřich Libovický and Zdeněk Kasner and Jindřich Helcl and Ondřej Dušek}, year = 2020, title = {Expand and Filter: CUNI and LMU Systems for the WNGT 2020 Duolingo Shared Task}, booktitle = {Proceedings of the Fourth Workshop on Neural Generation and Translation}, pages = {153--160}, publisher = {Association for Computational Linguistics}, address = {Stroudsburg, PA, USA}, isbn = {978-1-952148-17-0}, }