Collab-REC: An LLM-based Agentic Framework for Balancing Recommendations in Tourism

Researchers propose Collab-REC, a multi-agent LLM framework for tourism recommendations that uses three specialized agents (Personalization, Popularity, and Sustainability) with a moderator to reduce popularity bias and increase diversity. The system successfully surfaces lesser-visited destinations and addresses over-tourism concerns through balanced, multi-perspective recommendations.