Multi-Relation Aware Temporal Interaction Network Embedding

• URL: http://arxiv.org/abs/2110.04503v1
• Date: Sat, 9 Oct 2021 08:28:22 GMT
• Title: Multi-Relation Aware Temporal Interaction Network Embedding
• Authors: Ling Chen, Shanshan Yu, Dandan Lyu and Da Wang
• Abstract summary: Temporal interaction network embedding can effectively mine the information in temporal interaction networks. Existing temporal interaction network embedding methods only use historical interaction relations to mine neighbor nodes. We propose a multi-relation aware temporal interaction network embedding method (MRATE)
• Score: 6.964492092209715
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Temporal interaction networks are formed in many fields, e.g., e-commerce, online education, and social network service. Temporal interaction network embedding can effectively mine the information in temporal interaction networks, which is of great significance to the above fields. Usually, the occurrence of an interaction affects not only the nodes directly involved in the interaction (interacting nodes), but also the neighbor nodes of interacting nodes. However, existing temporal interaction network embedding methods only use historical interaction relations to mine neighbor nodes, ignoring other relation types. In this paper, we propose a multi-relation aware temporal interaction network embedding method (MRATE). Based on historical interactions, MRATE mines historical interaction relations, common interaction relations, and interaction sequence similarity relations to obtain the neighbor based embeddings of interacting nodes. The hierarchical multi-relation aware aggregation method in MRATE first employs graph attention networks (GATs) to aggregate the interaction impacts propagated through a same relation type and then combines the aggregated interaction impacts from multiple relation types through the self-attention mechanism. Experiments are conducted on three public temporal interaction network datasets, and the experimental results show the effectiveness of MRATE.

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