@inproceedings{ijcai2024p639, title = {Shadow-Free Membership Inference Attacks: Recommender Systems Are More Vulnerable Than You Thought}, author = {Chi, Xiaoxiao and Zhang, Xuyun and Wang, Yan and Qi, Lianyong and Beheshti, Amin and Xu, Xiaolong and Choo, Kim-Kwang Raymond and Wang, Shuo and Hu, Hongsheng}, booktitle = {Proceedings of the Thirty-Third International Joint Conference on Artificial Intelligence, {IJCAI-24}}, publisher = {International Joint Conferences on Artificial Intelligence Organization}, editor = {Kate Larson}, pages = {5781--5789}, year = {2024}, month = {8}, note = {Main Track}, doi = {10.24963/ijcai.2024/639}, url = {https://doi.org/10.24963/ijcai.2024/639}, }