434 LocVTP: Video-Text Pre-training for Temporal Localization Meng Cao (Peking University); Tianyu Yang (Tencent AI Lab); Junwu Weng (Tencent AI Lab); Can Zhang (Peking University); Jue Wang (Tencent AI Lab); Yuexian Zou (Peking University)* 444 Fusing Local Similarities for Retrieval-base...