源域数据增强与多兴趣细化迁移的跨域推荐模型

尹雅博,朱小飞,刘议丹

Cross-domain recommendation model based on source domain data augmentation and multi-interest refinement transfer

Yabo YIN,Xiaofei ZHU,Yidan LIU

表 4 兴趣数量$ M $对模型性能的影响

Tab.4 Impact of number of interests $ M $ on performance of model

$ M $ 任务1 任务2 任务3 MAE RMSE MAE RMSE MAE RMSE 2 0.819 0 1.166 9 0.881 1 1.161 7 0.869 7 1.256 6 4 0.822 3 1.160 0 0.884 0 1.159 6 0.885 6 1.267 7 6 0.817 4 1.163 4 0.874 4 1.160 5 0.882 8 1.263 3 8 0.823 4 1.162 7 0.886 9 1.163 5 0.887 9 1.244 3 10 0.812 3 1.164 5 0.881 9 1.159 8 0.880 6 1.249 1