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[🐛BUG] BiTGCF模型鲁棒性 #53

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WYH-han opened this issue Apr 13, 2023 · 1 comment
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[🐛BUG] BiTGCF模型鲁棒性 #53

WYH-han opened this issue Apr 13, 2023 · 1 comment
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@WYH-han
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WYH-han commented Apr 13, 2023

描述这个 bug
BiTGCF模型中包含Feature Transfer部分，其中在公式(15)-(16)计算user(item)-related weight factor时，需要考虑多跳后可能出现某些节点的邻居为0，即公式(15)中分母可能为0的情况，则会导致模型训练中出现“nan”。报错如下：
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预期
为了避免“除0”问题，针对项目代码中的user_laplace和item_laplace，即分母，添加一个极小数以避免出现“除0”问题。
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屏幕截图
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@WYH-han WYH-han added the bug Something isn't working label Apr 13, 2023
@Wicknight
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@WYH-han 感谢您的提醒，我们已经在 #56 中修复了这个问题！

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@WYH-han @Wicknight