ParsTwiNER: A Corpus for Named Entity Recognition at Informal Persian MohammadMahdi Aghajani author AliAkbar Badri author Hamid Beigy author 2021-11 text Proceedings of the Seventh Workshop on Noisy User-generated Text (W-NUT 2021) Wei Xu editor Alan Ritter editor Tim Baldwin editor Afshin Rahimi editor Association for Computational Linguistics Online conference publication aghajani-etal-2021-parstwiner 10.18653/v1/2021.wnut-1.16 https://aclanthology.org/2021.wnut-1.16/ 2021-11 131 136