@inproceedings{birmingham-etal-2018-adding, title = "Adding the Third Dimension to Spatial Relation Detection in 2{D} Images", author = "Birmingham, Brandon and Muscat, Adrian and Belz, Anja", editor = "Krahmer, Emiel and Gatt, Albert and Goudbeek, Martijn", booktitle = "Proceedings of the 11th International Conference on Natural Language Generation", month = nov, year = "2018", address = "Tilburg University, The Netherlands", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/W18-6517/", doi = "10.18653/v1/W18-6517", pages = "146--151" }