UniDex: Rethinking Search Inverted Indexing with Unified Semantic Modeling. - Zan Li; Jiahui Chen; Yuan Chai; Xiaoze Jiang; Xiaohua Qi; Zhiheng Qin; Runbin Zhou; Shun Zuo; Guangchao Hao; Kefeng Wang; Jingshan Lv; Yupeng Huang; et al. (CoRR, 2025)