CINO: A Chinese Minority Pre-trained Language Model
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Multilingual pre-trained language models have shown impressive performance on cross-lingual tasks. It greatly facilitates the applications of natural language processing on low-resource languages. However, there are still some languages that the existing multilingual models do not perform well on. In this paper, we propose CINO (Chinese Minority Pre-trained Language Model), a multilingual pre-trained language model for Chinese minority languages. It covers Standard Chinese, Cantonese, and six other Chinese minority languages. To evaluate the cross-lingual ability of the multilingual models on the minority languages, we collect documents from Wikipedia and build a text classification dataset WCM (Wiki-Chinese-Minority). We test CINO on WCM and two other text classification tasks. Experiments show that CINO outperforms the baselines notably. The CINO model and the WCM dataset are available at http://cino.hfl-rc.com.
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