How Expressive are Graph Neural Networks in Recommendation?

@inproceedings{cai-2023-expressive, author = {Xuheng Cai and Lianghao Xia and Xubin Ren and Chao Huang}, editor = {Ingo Frommholz and Frank Hopfgartner and Mark Lee and Michael P. Oakes and Mounia Lalmas-Roelleke and Min Zhang and Rodrygo L. T. Santos}, title = {{How Expressive are Graph Neural Networks in Recommendation?}}, booktitle = {{Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023}}, pages = {173--182}, publisher = {ACM}, year = {2023}, url = {https://doi.org/10.1145/3583780.3614917}, doi = {https://doi.org/10.1145/3583780.3614917} }