@ARTICLE{10265226, author={Chang, Yun and Ballotta, Luca and Carlone, Luca}, journal={IEEE Robotics and Automation Letters}, title={D-Lite: Navigation-Oriented Compression of 3D Scene Graphs for Multi-Robot Collaboration}, year={2023}, volume={8}, number={11}, pages={7527-7534}, keywords={Robots;Three-dimensional displays;Navigation;Task analysis;Solid modeling;Bandwidth;Semantics;Communication constraints;semantic scene understanding;graph spanner;multi-robot SLAM;multi-robot systems}, doi={10.1109/LRA.2023.3320011} }