SGAMER

1. If you just want to validate the model on the Amazon Musical Instruments dataset, run the following command:

cd model
python recommendation.py

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2. If you want to retrain the model, follow these steps:

Data Preparation

1. The dataset is available for download at Amazon.，The main download files are "metadata" and "ratings only"

mkdir dataset
cd dataset
mkdir {dataset_name} #Different datasets are stored in different folders

Excute

1. Data preprocessing

python data_processing.py

2. node embedding

python embedding_node.py

3. Path representation learning for item-item

python item_item_representation.py

4. Path representation learning for user-item

python user_item_representation.py

5. Sampling meta-path instances

python generate_paths.py

6. Meta-path Instance Representation Learning

python meta_path_representation.py

7. run SGAMER

python recommendation.py