LiveStar: Live Streaming Assistant for Real-World Online Video Understanding - Yang, Zhenyu; Zhang, Kairui; Hu, Yuhang; Wang, Bing; Qian, Shengsheng; Wen, Bin; Yang, Fan; Gao, Tingting; Dong, Weiming; Xu, Changsheng (Advances in Neural Information Processing Systems, 2025)