@article{li2021higher, title={Higher-Order Attribute-Enhancing Heterogeneous Graph Neural Networks}, author={Li, Jianxin and Peng, Hao and Cao, Yuwei and Dou, Yingtong and Zhang, Hekai and Yu, Philip and He, Lifang}, journal={IEEE Transactions on Knowledge and Data Engineering}, year={2021}, publisher={IEEE} }