Use Cases and their Requirements on the Semantic Modeling of 3D Supply and Disposal Networks

Different utility network data models were developed by different industries to provide means to represent, exchange and store utility networks. Often, these network data models are developed to meet the needs of specific domains without considering the integrated representation of different network systems. Moreover, mutual relations between networks as well as their embedding into 3D urban space are not always supported. The CityGML extension UtilityNetworkADE aims at meeting the requirements of the complex modern urban utilities. This paper aims at evaluating the capability of the different network models including the UtilityNetworkADE to meet the needs of network infrastructure. The requirements were extracted from a list of use cases that was defined by a number of experts from different domains. The investigation points out that, in most cases, the UtilityNetworkADE is capable of linking different network systems, providing an integrated view to understand the relation to city entities. Only regarding connectivity rules there is no exact concept to represent them in the UtilityNetworkADE up to now. Many examples are discussed for the limitations and capabilities of different network data models.

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