Lecture Notes in Computer Science

This book constitutes the revised selected papers of the 2nd International Workshop on Knowledge-Enhanced Information Retrieval, KEIR 2025, held in Lucca, Italy, during April 10, 2025.The 4 full papers presented together with 4 invited papers in this volume were carefully reviewed and selected from 10 submissions. These papers  ranging from query rephrasing andchunking techniques to LLM-generated context and agentic retrieval.