Papers › Circle Feature Graphormer: Can Circle Features Stimulate Graph Transformer?

Circle Feature Graphormer: Can Circle Features Stimulate Graph Transformer?

11 Sep 2023arXiv:2309.06574archive 2025-07-28

Jingsong Lv, Hongyang Chen, Yao Qi, Lei Yu

In this paper, we introduce two local graph features for missing link prediction tasks on ogbl-citation2. We define the features as Circle Features, which are borrowed from the concept of circle of friends. We propose the detailed computing formulas for the above features. Firstly, we define the first circle feature as modified swing for common graph, which comes from bipartite graph. Secondly, we define the second circle feature as bridge, which indicates the importance of two nodes for different circle of friends. In addition, we firstly propose the above features as bias to enhance graph transformer neural network, such that graph self-attention mechanism can be improved. We implement a Circled Feature aware Graph transformer (CFG) model based on SIEG network, which utilizes a double tower structure to capture both global and local structure features. Experimental results show that CFG achieves the state-of-the-art performance on dataset ogbl-citation2.

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