RAG (Retrieval-Augmented Generation) Document Q&A system built with Spring Boot, PostgreSQL/pgvector, and Google Gemini. Upload PDFs and ask questions — AI answers only from your documents with source citations.
chat embedded ai spring-boot postgresql question-answering semantic-search gemini-api rag qa-system groq vector-database java-springboot pgvector retrieval-augmented-generation rag-chatbot
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Updated
Jul 25, 2026 - Java