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Higher Education Press

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Performance change of LightGCN with different graph convolution layers on Gowalla. Recall@20 and TR@20 stand for the overall recall score and the ratio of tail items in the top-20 recommendation list, respectively.

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Jiajia CHEN, Jiancan WU, Jiawei CHEN, Xin XIN, Yong LI, Xiangnan HE

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