OmniCVR: A Benchmark for Omni-Composed Video Retrieval with Vision, Audio, and Text - Ji, Junyang; Zhang, Shengjun; Li, Da; Luo, Yuxiao; Wang, Yan; Xu, Di; Yang, Biao; Yuan, Wei; Yang, Fan; He, Zhihai; Yang, Wenming (International Conference on Learning Representations, 2026)