If you're interested in GenAI / LLM, I built a demo for Ollama + RAG + Ory Keto for ReBAC. The repo demonstrates permission-aware RAG that guarantees the LLM never sees unauthorized documents. Quite powerful if you use LLM and RAG for knowledge discovery!
Check it out here:
https://github.com/ory/rerag-rbac-rag-llm