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Ontology-based approaches for improving the interoperability between 3D urban models
Urban models 3D city models ontologies information management semantics
2010/9/29
3D geodata are more and more available as well as realtime visualization possibilities with free three-dimensional viewers such as Google Earth. This implies a growing demand of 3D city models, which ...
Details of the mappings between the CIS/2 and IFC product data models for structural steel
product data model mapping CIS/2 IFC structural steel interoperability
2010/9/29
A mapping between the CIMsteel Integration Standards (CIS/2) and the Industry Foundation Classes (IFC) product data models for structural steel has been developed. The development of the mapping takes...
Variable-speed object motion in 3D visualizations of discrete-event construction simulation models
animation construction operations discrete-event simulation verification validation
2010/9/28
This paper presents research that addresses the problem of describing the accurate, variable-speed motion of simulation objects on realistically-shaped trajectories (i.e. paths) in animations of discr...
The utilisation of building information models in nD modelling: A study of data interfacing and adoption barriers
CAD nD modelling building information modelling
2010/9/28
Entity-based modelling and Object-based modelling have been two distinct lines of products since the introduction of Computer-Aided Design (CAD) in the marketplace some twenty years ago. Although the ...
Neuro-fuzzy models for constructability analysis
constructability fuzzy logic neural networks
2010/9/28
With the emergence of the new computer science areas of artificial intelligence and neural networks, researchers have applied them in the construction industry successfully. This paper presents compar...
This special issue of Itcon is dedicated to the IFC initiative. The papers describe the current implementations, research and development issues and finally thoughts about the future directions of IFC...