sentence-transformers safetensors mpnet sentence-similarity feature-extraction dataset_size:n<1K loss:MultipleNegativesRankingLoss en dataset:davanstrien/similarity-dataset-sc2-8b arxiv:1908.10084 arxiv:1705.00652 base_model:microsoft/mpnet-base license:apache-2.0 model-index co2_eq_emissions autotrain_compatible endpoints_compatible region:us