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Personal Project
Data Engineering
RAG pipeline with custom knowledge base on Krakow cultural data indexed via vector embeddings. Hybrid retrieval combining full-text search with semantic similarity.
Python
BM25
TF-IDF
Hybrid RAG
Gemini API
The problem it solves
A tourist in Krakow wants to find that hidden jazz bar in Kazimierz or the patio that serves breakfast at 2am. Google lists chains. Krakow Guide lets you ask AI like a local would: 'find me a quiet place with live music and good wine.'
Architecture
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Next.js frontend + API routes
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Gemini API for LLM inference
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Vector embeddings on custom cultural knowledge base
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Hybrid retrieval: BM25 full-text + semantic similarity
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Vercel edge deployment
Links
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GitHub
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View on GitHub →
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INDRADEV_ — Agentic Systems
© 2026 indradev_ — AI Systems Architect, Kraków, EU