Before revision:  In this paper, we evaluate four multilingual models---multilingual BERT, multilingual distilled BERT, XLM and XLM-RoBERTa---on several NLP tasks including POS and morphological tagging, NER and text classification.
After revision:  In this paper, we evaluate four multilingual models---multilingual BERT, multilingual distilled BERT, XLM and XLM-RoBERTa -- on several NLP tasks including POS and morphological tagging, NER and text classification.