[en] This paper introduces Property Valuation Application Domain Extension (ADE) within CityGML 3.0, aiming to integrate relevant indoor and outdoor 3D variables (cost estimation, view quality, etc.) for accurate property valuation. Current models lack the necessary features for this specific application. Leveraging IFC data for indoor elements, this ADE extends CityGML, addressing the existing gap. This paper identifies and categorizes data requirements, leading to the conceptualization and development of the model. By enriching CityGML 3.0 with IFC data, the approach introduces new features like the "Property Unit"to ensure adaptability across diverse valuation scenarios. Despite encountering data integrability challenges, we here commit to refining the model and overcoming these obstacles. A preliminary implementation using CityJSON demonstrates successful integration and paves the way for future implementation. These include developing an API platform and establishing an official repository to facilitate practical usability and scalability. This research significantly contributes to advancing property valuation processes by providing accurate valuations for stakeholders and promoting the use of 3D urban data in domain-specific extensions.
El Yamani, Siham; 3D Geoinformation, Urban Data Science, Delft University of Technology, Netherlands ; College of Geomatic Sciences and Surveying Engineering, IAV Hassan II Rabat, Rabat, Morocco ; Geospatial Data Science and City Information Modeling (GeoScITY), UR Spheres, University of Liège, Liège, Belgium
Hajji, Rafika; College of Geomatic Sciences and Surveying Engineering, IAV Hassan II Rabat, Rabat, Morocco
Billen, Roland ; Université de Liège - ULiège > Département de géographie > Geospatial Data Science and City Information Modelling (GeoScITY)
Arroyo Ohori, Ken ; 3D Geoinformation, Urban Data Science, Delft University of Technology, Netherlands
Van Der Vaart, Jasper; 3D Geoinformation, Urban Data Science, Delft University of Technology, Netherlands
Hakim, Amir; 3D Geoinformation, Urban Data Science, Delft University of Technology, Netherlands
Stoter, Jantien; 3D Geoinformation, Urban Data Science, Delft University of Technology, Netherlands
Language :
English
Title :
Towards Extending CityGML for Property Valuation: Property Valuation ADE
Publication date :
27 June 2024
Event name :
3D GeoInfo
Event place :
Vigo, Esp
Event date :
01-07-2024 => 03-07-2024
Audience :
International
Journal title :
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
This project has received funding from the European Union's Horizon Europe program under Grant Agreement No.101058559 (CHEK: Change toolkit for digital building permit).
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