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GTC: GNN-Transformer Co-contrastive Learning for Self-supervised Heterogeneous Graph Representation
March 26, 2024, 4:41 a.m. | Yundong Sun, Dongjie Zhu, Yansong Wang, Zhaoshuo Tian
cs.LG updates on arXiv.org arxiv.org
Abstract: Graph Neural Networks (GNNs) have emerged as the most powerful weapon for various graph tasks due to the message-passing mechanism's great local information aggregation ability. However, over-smoothing has always hindered GNNs from going deeper and capturing multi-hop neighbors. Unlike GNNs, Transformers can model global information and multi-hop interactions via multi-head self-attention and a proper Transformer structure can show more immunity to the over-smoothing problem. So, can we propose a novel framework to combine GNN and …
arxiv cs.ir cs.lg gnn graph graph representation gtc representation transformer type
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