@article{elvhallucbenchmarkingsemanticaggregation, title = {ELV-Halluc: Benchmarking Semantic Aggregation Hallucinations in Long Video Understanding}, author = {Hao Lu and Jiahao Wang and Yaolun Zhang and Ruohui Wang and Xuanyu Zheng and Yepeng Tang and Dahua Lin and Lewei Lu}, year = {2025}, eprint = {2508.21496}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2508.21496}, }