sentence-transformers safetensors distilbert sentence-similarity feature-extraction generated_from_trainer dataset_size:1746 loss:CosineSimilarityLoss arxiv:1908.10084 base_model:sentence-transformers/distilbert-base-nli-mean-tokens base_model:finetune:sentence-transformers/distilbert-base-nli-mean-tokens autotrain_compatible text-embeddings-inference endpoints_compatible region:us