An Unsupervised method for OCR Post-Correction and Spelling Normalisation for Finnish Quan Duong author Mika Hämäläinen author Simon Hengchen author 2021-may 31–2 jun text Proceedings of the 23rd Nordic Conference on Computational Linguistics (NoDaLiDa) Simon Dobnik editor Lilja Øvrelid editor Linköping University Electronic Press, Sweden Reykjavik, Iceland (Online) conference publication duong-etal-2021-unsupervised https://aclanthology.org/2021.nodalida-main.24/ 2021-may 31–2 jun 240 248