triplet_recommendations_keras

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Error in running triplet_movielens.py

2

I am trying to run triplet_movielens.py with the same movielens dataset and I get the following error. Using TensorFlow backend. Traceback (most recent call last): File "triplet_movielens.py", line 80, in...

sumedhvdatar

Replaced merge with Lambda Layer.

NikosVarelas

Extract Embedding Model after training

1

So we have a (shared) embedding network that receives 1 input and outputs 1 embedding. We then build a triplet loss network around it that takes 3 inputs and outputs...

manuelhuber

when I define a new loss function like this ``` ` def batch_all_triplet_loss(X): # Get the pairwise distance matrix print('22') labels, embeddings = X print('1') margin = 1.0 pairwise_dist =...

liuchuanloong

Please,I have a problem with your function "bpr_triplet_loss"...

1

I saw you have use "K.sum(user_latent * positive_item_latent, axis=-1, keepdims=True)",but in my keras with tensorflow backend,this "*" means point-wise multiplication. I think we should compute the cos similarity between user...

zhhengcs

Both test loss and validation loss go to 0.5

6

I modified your code for my problem. I added regularization terms in Embedding layers. But when I train the model, both test loss and val loss go to 0.5. I...

pntuananh

Test set triplet sample

1

Hi, thank you for your sharing ! you sample the triplet from test set as you do that from training set. But in the real world, we can't know which...

hhh920406