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e5f7856 | 1 2 3 4 5 6 7 8 9 10 11 12 13 | # Graph Embeddings for the Collaborative Axis of KGD-BMTP
The collaborative axis uses embeddings learned from a user-item graph with the following configuration:
- **Embedding model**: LightGCN [1]
- **Embedding dimension**: 256
- **Nodes**: Drawn from the full corpus.
- **Edges**: Built from interactions in the training split only, preventing train-test leakage.
> [1] Xiangnan He, Kuan Deng ,Xiang Wang, Yan Li, Yongdong Zhang, Meng Wang(2020). LightGCN: Simplifying and Powering Graph Convolution Network for Recommendation |