Synonyms
Transportation network model; Spatial network model; Network data model; Graph; Link-node model; Linear reference model
Definition
A road network data model is a notation that enables the modeling of pertinent aspects of a road-network infrastructure. Using such a notation, a schema of a road-network infrastructure may be designed. This schema may in turn be populated by data, yielding an instance that captures aspects of a specific road network.
Depending of the use context, different aspects of a road-network infrastructure are of interest. A road network data model may consist of several interrelated sub-models, each of which targets the capture of different, specific aspects of a road network. Important examples of such sub-models include the geographical and graph representations and linear referencing.
Geographical representations capture the embedding of a road network into geographical space. Specifically, a road is typically represented by a collection of polylines,...
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© 2008 Springer-Verlag
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Speičys, L., Jensen, C.S. (2008). Road Network Data Model. In: Shekhar, S., Xiong, H. (eds) Encyclopedia of GIS. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35973-1_1139
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DOI: https://doi.org/10.1007/978-0-387-35973-1_1139
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