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This is our implementation of GHCF: Graph Heterogeneous Collaborative Filtering (AAAI 2021)
我注意到两个数据集中似乎并没有想论文中所说的那样分成三个部分(训练集、验证集、测试集),而是两个部分(训练集、测试集)。是这样吗?
请问作者,GHCF中初始化嵌入的ID embedding layer是如何实现的,先获得one-hot编码再转换为64维的向量吗
您好,是否可以发一份对比模型的代码给我呢,我的邮箱是[email protected] 非常感谢!
Dear sir,
I am Yu-Wei Chen. If it is ok, could you share with me the code for MF-BPR and CMF for research? I want to replicate the performances of these models on Beibei and Taobao datasets.
Sincerely,
Yu-Wei Chen
您好,我发现公开的Taobao数据集在pv行为中会有用户没有出现,而这些用户在test 购买行为中再次出现,这样符合逻辑么?如果这些用户没有点击过那怎么会去进行购买操作呢?
大佬您好,我的环境是python3.7,tf1.15
我使用GHCF方法在beibei数据上进行复现,最好的效果如下:
recall=[0.00009 0.00055 0.00405],
precision=[0.00001 0.00001 0.00004],
hit=[0.00009 0.00055 0.00405],
ndcg=[0.00004 0.00013 0.00067]
这可能是由于什么原因造成的呢?所有参数都没有改变过。
Dear author, I would like to ask you how to apply multiple negative sampling on sampling based method? (eg. LightGCN).
I have seen the code, but the number of negative sample = 1, how to set it to 4, as mentioned in your paper?
Thanks !
您好,我用Python3.7+TensorFlow1.14的环境来跑,发现GPU没有使用到,GPU没有问题,就不知道是什么原因
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