@article{s3memstructuredspatiotemporalsceneeventm, title = {S3Mem: Structured Spatiotemporal Scene-Event Memory for Long-Horizon Interactive Question Answering}, author = {Encheng Su and Jianyu Wu and Jinouwen Zhang and Qiucheng Yu and Chen Tang and Pengze Li and Lintao Wang and Aoran Wang and Xinzhu Ma and Shixiang Tang and Yizhou Wang and Houqiang Li}, year = {2026}, eprint = {2605.28831}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.28831}, }