在数据预处理的时候，为什么是将训练集和测试集的数据合并生成超图呢，这样不会造成数据泄露问题吗，请问您是怎么避免数据泄露的呢

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感谢上一条的耐心解答，如题，真心求问

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在论文里看到了：To remove data leakage when predicting the next-POI movement within a trajectory instead of the last visitation, we require that the end time of the source trajectory should be less than the start time of the target trajectory.