Articles | Volume 6
https://doi.org/10.5194/agile-giss-6-3-2025
https://doi.org/10.5194/agile-giss-6-3-2025
09 Jun 2025
 | 09 Jun 2025

3D Land Use Planning: Making Future Cities Measurable with Ontology-Driven Representations of Planning Regulations

Ayda Grisiute, Martin Raubal, and Pieter Herthogs

Keywords: spatial policy model, urban planning regulations, applied ontology

Abstract. This study addresses the challenge of evaluating Singapore’s long-term urban strategy by quantifying the impact of planning regulations, a task often hampered by fragmented data and siloed tools. To overcome these limitations, we developed a data-driven workflow using Semantic Web Technologies (SWT). Central to this workflow are two ontologies: OntoPlanningRegulations, which captures a subset of Singapore’s planning rules, and OntoBuildableSpace, which defines measurable 3D spaces within urban plots. These ontologies integrate diverse regulatory data into a structured Knowledge Graph (KG), connecting regulations to 3D urban models. This approach bridges document-based urban policies and advanced urban analytics, offering an automated methodology to generate 3D master plans. In doing so, it provides valuable information on the cumulative impacts of regulations on the future urban form of the city.

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