作者位次 #3/7SIGIR 2026Poster· Information Retrieval (Industry)
SID-Coord: Coordinating Semantic IDs for ID-based Ranking in Short-Video Search
Guowen Li · Yuepeng Zhang · Shunyu Zhang · Yi Zhang · Xiaoze Jiang · Yi Wang · Jingwei Zhuo
摘要
Large-scale short-video search ranking models are typically trained on sparse co-occurrence signals over hashed item identifiers (HIDs). While effective at memorizing frequent interactions, such ID-based models struggle to generalize to long-tailed items with limited exposure. This memorization–g...