sentence-transformers safetensors roberta sentence-similarity feature-extraction generated_from_trainer dataset_size:4100 loss:CoSENTLoss arxiv:1908.10084 base_model:DTAI-KULeuven/robbert-2023-dutch-base base_model:finetune:DTAI-KULeuven/robbert-2023-dutch-base model-index autotrain_compatible text-embeddings-inference endpoints_compatible region:us