Table 4. F1-score results on each label of our proposed ConBGAT model with three compared baseline models on the SROIE dataset.

Entities	Spectral graph convolutional network	Bi-LSTM-CRF	BERT-CRF	ConBGAT
Company	0.85	0.851	0.868	0.98
Address	0.93	0.883	0.891	0.98
Date	0.95	0.942	0.962	0.97
Total	0.93	0.835	0.847	0.95
Macro average	0.915	0.878	0.892	0.97