transformers pytorch tensorboard safetensors bert token-classification generated_from_trainer named-entity-recognition russian ner ru dataset:RCC-MSU/collection3 base_model:ai-forever/ruBert-base base_model:finetune:ai-forever/ruBert-base doi:10.57967/hf/0473 license:apache-2.0 model-index autotrain_compatible endpoints_compatible region:us