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README.md

HHNE

Heterogeneous hyper-networks is used to represent multi-modal and composite interactions between data points. In such networks, several different types of nodes form a hyperedge. Heterogeneous hyper-network embedding learns a distributed node representation under such complex interactions while preserving the network structure. However, this is a challenging task due to the multiple modalities and composite interactions. In this study, a deep approach is proposed to embed heterogeneous attributed hyper-networks with complicated and non-linear node relationships. In particular, a fully-connected and graph convolutional layers are designed to project different types of nodes into a common low-dimensional space, a tuple-wise similarity function is proposed to preserve the network structure, and a ranking based loss function is used to improve the similarity scores of hyperedges in the embedding space.

Usuage

python main.py data_path output_path learning_rate epoch_number

Input

Nxd node features for each type, known edges, sampled unknown hyperedges in list format, sparse normalized adjacency matrix. This implementation is for a network for three different types.

Reference

Inci M. Baytas, Cao Xiao, Fei Wang, Anil K. Jain, Jiayu Zhou, "Heterogeneous Hyper-Network Embedding", ICDM 2018 (accepted).

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