NIBU: a new approach to representing and analyzing interior utility networks within 3D geo-information systems

An integrated framework for representing the relation among building structure and interior utilities in micro-scale environment

Initial investigations for modeling interior utilities within 3D geo context: transforming IFC-Interior Utility to CityGML/Utility NetworkADE

BIM for geo-analysis (BIM4GEOA): set up of 3D information system with open source software and open specification (OS)

IFC to CityGML transformation framework for geo-analysis: a water utility network case