This is a RoBERTa model pre-trained on Classical Chinese. You can fine-tune GuwenBERT for downstream tasks, such as sentence breaking, punctuation, named entity recognition, and so on.
For more information about RoBERTa, take a look at the RoBERTa's offical repo.
from transformers import AutoTokenizer, AutoModel tokenizer = AutoTokenizer.from_pretrained("ethanyt/guwenbert-base") model = AutoModel.from_pretrained("ethanyt/guwenbert-base")
The training data is daizhige dataset (殆知阁古代文献) which is contains of 15,694 books in Classical Chinese, covering Buddhism, Confucianism, Medicine, History, Zi, Yi, Yizang, Shizang, Taoism, and Jizang. 76% of them are punctuated. The total number of characters is 1.7B (1,743,337,673). All traditional Characters are converted to simplified characters. The vocabulary is constructed from this data set and the size is 23,292.
The models are initialized with
hfl/chinese-roberta-wwm-ext and then pre-trained with a 2-step strategy.
In the first step, the model learns MLM with only word embeddings updated during training, until convergence. In the second step, all parameters are updated during training.
The models are trained on 4 V100 GPUs for 120K steps (20K for step#1, 100K for step#2) with a batch size of 2,048 and a sequence length of 512. The optimizer used is Adam with a learning rate of 2e-4, adam-betas of (0.9,0.98), adam-eps of 1e-6, a weight decay of 0.01, learning rate warmup for 5K steps, and linear decay of learning rate after.
Second place in the competition. Detailed test results:
We are from Datahammer, Beijing Institute of Technology. For more cooperation, please contact email: ethanyt [at] qq.com
Select AutoNLP in the “Train” menu to fine-tune this model automatically.
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