# Sample Document Sources

These three documents are summarised from publicly available information for demonstration purposes.

| File | Topic | Based on |
|------|-------|----------|
| `rag_overview.md` | Retrieval-Augmented Generation | Public technical literature on RAG |
| `vector_databases.md` | Vector Databases | Public documentation and technical articles |
| `bm25_retrieval.md` | BM25 Sparse Retrieval | Robertson & Zaragoza (2009), public IR literature |

These files are safe to use in demos, tests, and CI pipelines. They do not contain proprietary information.