transformers pytorch safetensors t5 text2text-generation generated_from_trainer summarization ja dataset:csebuetnlp/xlsum base_model:retrieva-jp/t5-base-long base_model:finetune:retrieva-jp/t5-base-long license:cc-by-sa-4.0 model-index autotrain_compatible text-generation-inference endpoints_compatible region:us