Dejan Vujić https://dejanvujic.com/ Posts from Dejan Vujić en Hello, world: a terminal that knows me https://dejanvujic.com/posts/hello-world/ https://dejanvujic.com/posts/hello-world/ Tue, 01 Sep 2026 00:00:00 GMT Why this site is a terminal with an agent, and why the agent gets the entire knowledge base in every request instead of RAG. Enhancing Retrieval-Augmented Generation with graph-based retrieval https://dejanvujic.com/posts/graph-enhanced-rag/ https://dejanvujic.com/posts/graph-enhanced-rag/ Thu, 15 May 2025 00:00:00 GMT Dejan's peer-reviewed Sinteza 2025 paper (with Angelina Njeguš and Nebojša Bačanin Džakula): a RAG pipeline combining ChromaDB dense retrieval, YAKE keywords, K-Medoids clustering, PageRank graph retrieval and cross-encoder re-ranking. DOI 10.15308/Sinteza-2025-3-9.