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License: Apache License 2.0
The official PyTorch implementation of the paper "RecVAE: A New Variational Autoencoder for Top-N Recommendations with Implicit Feedback"
License: Apache License 2.0
Hi, nice work about Variational Autoencoder on recommendation. However, I am confused about the method of data split which is the same way as 2018WWW-Variational autoencoders for collaborative filtering
In the
Line 60 in 8b9b2de
unique_uid
is the index of active user rather than the uid
(unique_uid['userId']
). Owing to the filter operator before, some userId
are moved out. Then some valid userId
at the end will not be considered if we adopt the index of user_activity
rather than the actual uid
. I guess it might be a error or is there any other meaning of that?
Looking forward to your reply, Thanks.
Best.
Greetings to the team!
Your code is beautiful, but I'm lost in the implementation of it.
I have the last version of PyTorch: https://pytorch.org/get-started/locally/ & Python
When I train the model I receive the outputs:
If I change the utils.py in the return of ndcg function for: return DCG/IDCG
to: return np.divide(DCG,IDCG, where=IDCG!=0)
it solve it, but still giving 'low' values. The latter in comparison with other VAE-CF results.
Can you help me, please?
Congratulations. I reiterate, your code is beautiful in comparison to tensorflow-keras implementation.
Best regards,
Mirko.
i have dataset: train.csv 5869632 number, user:53424,item:10000; then run error;
RuntimeError: CUDA out of memory. Tried to allocate 13.12 GiB (GPU 0; 23.70 GiB total capacity; 0 bytes already allocated; 12.33 GiB free; 0 bytes reserved in total by PyTorch)
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