At the request of the authors, the article titled “Collaborative Filtering Recommendation Algorithm Based on Knowledge Graph” [1] has been retracted. The article was found to contain a substantial amount of material, without citation, from an earlier article in Chinese by other authors; [2] its details are as follows:

Xiyu Wu, Qimai Chen, Hai Liu, and Chaobo He, “Collaborative filtering recommendation algorithm based on representation learning of knowledge graph,” Computer Engineering, 2018, 44(2): 226-232,263.