sentence-transformers safetensors distilbert sentence-similarity feature-extraction generated_from_trainer dataset_size:5749 loss:CosineSimilarityLoss arxiv:1908.10084 base_model:distilbert/distilbert-base-uncased base_model:finetune:distilbert/distilbert-base-uncased model-index co2_eq_emissions autotrain_compatible text-embeddings-inference endpoints_compatible region:us