@inproceedings{ ogr:prz:21:poleval, author = "Ogrodniczuk, Maciej and Przybyła, Piotr", pdf = "http://nlp.ipipan.waw.pl/Bib/ogr:prz:21:poleval.pdf", title = "Pol{E}val 2021 {T}ask 4: {Q}uestion {A}nswering {C}hallenge", pages = "123--136", crossref = "ogr:kob:21:poleval" } @proceedings{ ogr:kob:21:poleval, editor = "Ogrodniczuk, Maciej and Kobyliński, Łukasz", publisher = "Institute of Computer Science, Polish Academy of Sciences", isbn = "978-83-63159-31-3", title = "Proceedings of the {P}ol{E}val 2021 {W}orkshop", booktitle = "Proceedings of the {P}ol{E}val 2021 {W}orkshop", address = "Warsaw", year = "2021", pdf = "http://poleval.pl/files/poleval2021.pdf" }