sentence-transformers safetensors bert sentence-similarity feature-extraction generated_from_trainer dataset_size:10000 loss:SoftmaxLoss en dataset:sentence-transformers/all-nli arxiv:1908.10084 base_model:intfloat/e5-large-v2 base_model:finetune:intfloat/e5-large-v2 model-index autotrain_compatible text-embeddings-inference endpoints_compatible region:us