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# Advanced Digital Twin with RAG

AI-powered digital twin persona using RAG created from Linkedin using OPENAI function calling, advanced retrieval techniques and their evaluation.

## Core Features

**RAG System**
- Hybrid search: BM25 + semantic embeddings
- Cross-encoder reranking
- Query expansion
- ChromaDB vector storage
- 4 retrieval methods: bm25, semantic, hybrid, hybrid_rerank



**Evaluation Framework**

- MRR, nDCG, Precision, Recall

- LLM-as-judge for quality assessment

- Automated comparison reports



**Application**

- Gradio UI

- OpenAI function calling

- Pushover notifications



**Tests**

- Tests to test all components and pipeline.