fastHan: A BERT-based Joint Many-Task Toolkit for Chinese NLP

We present fastHan, an open-source toolkit for four basic tasks in Chinese natural language processing: Chinese word segmentation, Part-of-Speech tagging, named entity recognition, and dependency parsing. The kernel of fastHan is a joint many-task model based on a pruned BERT, which uses the first 8 layers in BERT. We also provide a 4-l...More