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The conceptual framework promoted by Langston and Smith (2012) extended the existing literature to create a novel decision-making tool for the management of existing built facilities. Known as iconCUR, this model used primary criteria of condition, utilization and reward to map property status in 3D space at any point in time. The x and y coordinates identified the appropriate property management decision and the z coordinate indicated the strength of that decision. The appropriate intervention response was based on the relationship between the existing physical condition of the property and its current utilization level.
Copray, David, "Modelling Built Asset Performance in 3D Space" (2012). Research Week Posters. 16.