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Graph RAG agent for Greek urban planning law
Resolves real-world address constraints by chaining geocoding, a government API, and query rewriting before retrieval.
UAT
92%
query satisfaction in UAT
21
structured variables extracted per query
An agent that answers questions about building constraints at a specific address by first resolving the address into the planning unit those constraints actually apply to, then rewriting the query before it ever touches retrieval.
- Address is geocoded to coordinates, then resolved via a government API to its Building Block (Οικοδομικό Τετράγωνο), the unit Greek planning law attaches constraints to, not the address itself
- Query is rewritten to replace the address with its Building Block before retrieval, so the agent searches for the legal unit the law is actually indexed by
- Graph RAG over ΦΕΚ (Government Gazette) urban planning legislation returns the constraints that apply to that Building Block, in Greek and English
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