CityWeave: Weaving User Needs and World Constraints for Personalized and Reliable Mobility Planning
CityWeave is proposed, a VLM-based framework for urban D2D mobility planning that integrates the Who--When--Where--How (3W1H) reasoning paradigm with a two-stage training scheme and introduces a unified User--World Grounding (UWG) module that enforces navigation-based world constraints and evaluates personalization wit...