 In this paper, we introduce CLRec, a Contrastive Learning paradigm  successfully deployed in a real-world massive recommender system, for alleviating exposure unfairness in DCG.
<clarity>  In this paper, we introduce CLRec, a Contrastive Learning paradigm  successfully deployed in a real-world massive recommender system, for alleviating exposure unfairness in DCG.
 In this paper, we introduce CLRec, a Contrastive Learning paradigm that has been successfully deployed in a real-world massive recommender system, for alleviating exposure unfairness in DCG.