An End-to-End Ukrainian RAG for Local Deployment. Optimized Hybrid Search and Lightweight Generation

This paper introduces a highly efficient Retrieval-Augmented Generation (RAG) system specifically for Ukrainian document question answering, which achieved 2nd place in the UNLP 2026 Shared Task. It features a custom hybrid search and a specialized Ukrainian language model, compressed for high-quality, verifiable local deployment on resource-constrained hardware.