In this work, we propose OpenGraph, a novel open-vocabulary hierarchical graph representation designed for large-scale outdoor environments. OpenGraph initially extracts instances and their captions ...

First, we leverage a 3D scene graph as a compact representation of the environment and propose a relation prediction model based on graph neural networks. This model can effectively interpret the ...

CAREER NEWS 25 June 2025 The economic effects of federal cuts to US science — in 24 graphs Is US science facing a recession? Growing evidence points to a looming downturn.