sentence-transformers safetensors bert sentence-similarity feature-extraction dataset_size:1M<n<10M loss:MSELoss en arxiv:1908.10084 arxiv:2004.09813 base_model:l3cube-pune/indic-sentence-similarity-sbert base_model:finetune:l3cube-pune/indic-sentence-similarity-sbert model-index autotrain_compatible text-embeddings-inference endpoints_compatible region:us