sentence-transformers safetensors mpnet sentence-similarity feature-extraction generated_from_trainer dataset_size:7004 loss:SoftmaxLoss en dataset:PiC/phrase_similarity arxiv:1908.10084 base_model:sentence-transformers/multi-qa-mpnet-base-dot-v1 base_model:finetune:sentence-transformers/multi-qa-mpnet-base-dot-v1 model-index autotrain_compatible endpoints_compatible region:us