@inproceedings{dreier2021lacon,
 author = {Dreier, Jan},
 booktitle = {2021 36th Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)},
 doi = {10.1109/LICS52264.2021.9470680},
 note = {distinguished paper},
 number = {},
 pages = {1-13},
 title = {Lacon- and Shrub-Decompositions: A New Characterization of First-Order Transductions of Bounded Expansion Classes},
 volume = {},
 year = {2021}
}