CityGML Application Domain Extension (ADE)
overview of developments
Filip Biljecki (National University of Singapore)
K. Kumar (TU Delft - Urban Data Science)
Claus Nagel (virtualcitySYSTEMS GmbH)
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Abstract
The Application Domain Extension (ADE) is a built-in mechanism of CityGML to augment its data model with additional concepts required by particular use cases. The goal of this paper is to provide an overview of the ADE mechanism and a literature review of developments since its introduction a decade ago. The discovery of publications found that currently there are 44 ADEs supporting a wide range of applications, but also application-agnostic purposes such as harmonisation with national geographic information standards. We hope this paper to double as a reference material for the developers of new ADEs.
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