PersonaTrace: Synthesizing Realistic Digital Footprints with LLM Agents. - Minjia Wang 001; Yunfeng Wang; Xiao Ma; Dexin Lv; Qifan Guo; Lynn Zheng; Benliang Wang; Lei Wang; Jiannan Li; Yongwei Xing; David Junzhe Xu; Zheng Sun (EACL (Industry Track), 2026)