# Page Not Found

The URL `tutorials/retrieval/retriever/graph-retriever` does not exist.

You might be looking for one of these pages:
- [Graph Retriever](https://gdplabs.gitbook.io/sdk/gen-ai-sdk/tutorials/knowledge-graph/graph-retriever.md)
- [Vector Retriever](https://gdplabs.gitbook.io/sdk/gen-ai-sdk/tutorials/retrieval/retriever/vector-retriever.md)
- [Hybrid Retriever](https://gdplabs.gitbook.io/sdk/gen-ai-sdk/tutorials/retrieval/retriever/hybrid-retriever.md)
- [Hierarchical Retriever](https://gdplabs.gitbook.io/sdk/gen-ai-sdk/tutorials/retrieval/retriever/hierarchical-retriever.md)
- [Smart Search Web Retriever](https://gdplabs.gitbook.io/sdk/gen-ai-sdk/tutorials/retrieval/retriever/smart-search-retriever.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://gdplabs.gitbook.io/sdk/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://gdplabs.gitbook.io/sdk/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/sdk/gen-ai-sdk/tutorials/knowledge-graph/graph-retriever.md`)
- Use `Accept: text/markdown` header for content negotiation