https://en.m.wikipedia.org/wiki/PageRank

https://www.linkedin.com/blog/engineering/graph-systems/liquid-the-soul-of-a-new-graph-database-part-1

https://join-lemmy.org/docs/contributors/07-ranking-algo.html

Can't speak for AI applications but this how how Google, LinkedIn, Reddit, and Lemmy handle ranking algorithms (different mechanisms for different platforms and demands)