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[WSDM'2023] "HGCL: Heterogeneous Graph Contrastive Learning for Recommendation"

Home Page: https://arxiv.org/abs/2303.00995

Python 100.00%
collaborative-filtering graph-contrastive-learning graph-neural-networks heterogeneous-graph-learning recommendation self-supervised-learning

hgcl's Introduction

Hi there 👋

✨Welcome to the Data Intelligence Lab @ HKU!✨

🚀 Our Lab is Passionately Dedicated to Exploring the Forefront of the Data Science & AI 👨‍💻

       

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hgcl's Issues

Yelp数据集

你好,认真地读了你的论文,但是对于数据集有些疑问,下载了数据集发现和官方提供地Yelp数据集不太一样。所以能够对Yelp数据集地数据做一些说明吗?
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比如,在这张截图中,五个矩阵在论文中分别起什么作用?矩阵中地数据分别代表什么意思?期待您的回复,感谢。

作者您好!想请教一下Yelp数据集中loadMat.py报错的问题

2024-06-12 20:52:24.284970
Traceback (most recent call last):
File "loadMat.py", line 165, in
ratingMat,trustMat,categoryMat=filterData(ratingMat,trustMat,categoryMat)
File "loadMat.py", line 74, in filterData
trustMat=trustMat[idx][:,idx]
File "/root/anaconda3/envs/xytf/fjx_HGCL/lib/python3.7/site-packages/scipy/sparse/_index.py", line 33, in getitem
row, col = self._validate_indices(key)
File "/root/anaconda3/envs/xytf/fjx_HGCL/lib/python3.7/site-packages/scipy/sparse/_index.py", line 138, in _validate_indices
row = self._asindices(row, M)
File "/root/anaconda3/envs/xytf/fjx_HGCL/lib/python3.7/site-packages/scipy/sparse/_index.py", line 170, in _asindices
raise IndexError('index (%d) out of range' % max_indx)
IndexError: index (1968701) out of range

请问为什么越界了呢?使用的是dataraw里面的数据

Yelp DataSet

image
Hello,I read your paper,but there are some question about Yelp DataSet.Can you explain the meaning about data

some question about Meta transform net Eq.5 and Eq.6

image
image
您好,我理解的Eq.5和Eq.6是代码中的第113和114行(因为Eq.5只有emb的连接,而没有self.meta_net)。请问后面的Personalized transformation parameter matrix中为什么又出现了self.mlp1,self.mlp2 。并且第122~129行代码中的内容对应原文的哪一部分?这种bias和low weight的求法似乎和通常的MLP不一样。
期待您的答复

dataset

请问ICI.pkl这个文件如何获取的呢

HGT-evaluation

hi,您将异构信息融入推荐系统的工作很棒!

我想问问您,能否提供一下,根据本数据集用HGT训练和测试的代码?

如可以,麻烦您发到[email protected]邮箱中。

再次感谢您的工作!

请教代码问题

屏幕截图 2024-05-07 094057

 您好!请问这里的if语句中,all_user_embeddings拼接的是userEmbeddings0,我的理解是这个all_user_embeddings指用户在社交域的所有层用户嵌入,但是在else语句中的all_user_embeddings拼接的是userEmbeddings,而userEmbeddings是userEmbeddings0 + ui_userEmbedding0拼接的,这似乎有一些矛盾,此外,else语句中的all_item_embeddings和all_ui_embeddings拼接的也都是norm_embeddings,这个地方也不太理解   
 期待您的解答,感谢!

main.py: error: argument --ssl_beta: invalid int value: '0.45'

I commanded the example code python main.py --dataset Yelp --ssl_temp 0.5 --ssl_ureg 0.06 --ssl_ireg 0.07 --lr 0.058 --reg 0.05 --ssl_beta 0.45 --rank 3 at directory of HGCL where main.py resides.

But I get this error above. Something must be off?

new bug

image
I have make the directory HGCL/History and other directory HGCL/Models

bug

image
Hello, I want to know where is the dataset/Epinions/data.pkl, and dataset/CiaoDVD/data.pkl is same with other dataset.

代码理解问题

请问这个函数 metaregular所求的损失,是什么意思,论文中好像没有这个公式

Missing files in the raw dataset

There are only two datasets(ratings.csv and trust.csv) in the raw dataset and there are no category.csv.Can you provide it or tell us about its basic structure.Thanks!

Hyperparameter setting

Why is my result not as good as what was written in the paper? Is it a parameter setting issue

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