transformers pytorch safetensors bert token-classification text en-atc en generated_from_trainer bertraffic dataset:Jzuluaga/uwb_atcc arxiv:2110.05781 base_model:google-bert/bert-base-uncased base_model:finetune:google-bert/bert-base-uncased license:apache-2.0 model-index autotrain_compatible endpoints_compatible region:us