task specific frozen model and fine tune prefix virtual tokencan’t be generalized because it is task specificsubset of prompt tuning (case of soft prompt is prefix)task specific하게 input text 에 prefix로 virtual token 붙임aclanthology.orghttps://aclanthology.org/2021.acl-long.353.pdfPrefix-Tuning: Optimizing Continuous Prompts for GenerationXiang Lisa Li, Percy Liang. Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers). 2021.https://aclanthology.org/2021.acl-long.353/