sentence-transformers safetensors sentence-similarity feature-extraction generated_from_trainer dataset_size:245133 loss:MultipleNegativesRankingLoss loss:MultipleNegativesSymmetricRankingLoss loss:CoSENTLoss arxiv:1908.10084 arxiv:1705.00652 base_model:Alibaba-NLP/gte-Qwen2-7B-instruct base_model:finetune:Alibaba-NLP/gte-Qwen2-7B-instruct autotrain_compatible endpoints_compatible region:us