https://huggingface.co/blog/introducing-csearch
https://github.com/yxuansu/Contrastive_Search_Is_What_You_Need
A Contrastive Framework for Neural Text Generation
Contrastive Representation Learning: A Framework and Review
Language Models are Unsupervised Multitask Learners
https://github.com/yxuansu/SimCTG