CityGML
Information Model
Built Environment
openly published
Explore the CityGML standard, an open 3D city model data model and exchange format for representing terrain, buildings, infrastructure, vegetation, topology, and semantics....
Other built environment data models
ASHRAE 223P Semantic Data Model
Ontology / Vocabulary
BACnet object model
Information Model
Brick Schema
Ontology / Vocabulary
CityJSON
Exchange Schema
DALI (Digital Addressable Lighting Interface)
Information Model
gbXML (Green Building XML)
Exchange Schema
IndoorGML
Information Model
MUDDI (Model for Underground Data Definition and Integration)
Information Model
Project Haystack
Ontology / Vocabulary