https://www.cnet.com/news/game-of-thrones-ai-predicts-who-lives-and-dies/

The students' algorithm analyzed data of over 2,000 characters, using information from Game of Thrones Wiki and The Wiki of Fire and Ice. (Yes, Game of Thrones has two major Wikipedia sites of its own, not including several Wikipedia pages.) House, marriage history, gender and character significance are among the deciding factors.

Back in 2016, before the sixth season began, a similar application by students from the same university predicted Tommen Baratheon, Stannis Baratheon, Daenerys, Davos Seaworth and Petyr Baelish would all perish. Three out of five (so far) isn't bad. It also cast a suspicious eye on Jon Snow's death at the end of season five, reasoning that such an event was statistically improbable. We all know how that turned out.