Sun, Fang; He, Shuangjiang; Wang, Ruiqi; Ke, Lingyun; … - In: Risks : open access journal 14 (2026) 4, pp. 1-25
these measures capture disclosure intensity, they do not directly assess whether the internal semantic organization of risk … narratives has shifted relative to historical patterns. We propose a structural semantic deviation framework that represents each … isolate structural breaks, whereas embedding-based semantic trajectories reveal substantial narrative reconfiguration …