A new paper has been published:
@article{filip18, author = {Filip Biljecki, Kavisha Kumar and Claus Nagel}, title = {CityGML Application Domain Extension (ADE): overview of developments.}, journal = {Open Geospatial Data, Software and Standards}, year = {2018}, volume = {3}, pages = {13}, doi = {https://doi.org/10.1186/s40965-018-0055-6} }
The article provides an overview of the ADE mechanism and a literature review of developments since its introduction a decade ago. Currently, there are 44 ADEs supporting a wide range of applications, but also application-agnostic purposes such as harmonisation with national geographic information standards.