HLV-1K: A Large-scale Hour-Long Video Benchmark for Time-Specific Long Video Understanding. - Heqing Zou; Tianze Luo; Guiyang Xie; Victor Xiao Jie Zhang; Fengmao Lv; Guangcong Wang; Junyang Chen; Zhuochen Wang; Hansheng Zhang; Huaijian Zhang (ICME, 2025)