Definition
Digital modeling of real-world networks (e.g., road networks, river network) to accurately represent geographic information is done using spatial graphs. Spatial graphs can represent n-ary relationships to model complex relations in the network. They differ from existing geographical models that can only represent binary relationships. Spatial graph is formally defined using the concepts of Xnodes and Xedges and Xgraphs in the following paragraph.
Xnode represents a real-world network feature (e.g., road intersection) that can have scalar or structured values (e.g., an array of scalars). Xedge is a tree of Xnodes that can have scalar or structural values. Further, Xedge can be classified based on the type of network features being modeled (e.g., turn-Xedges) as shown in Fig. 1. Xgraph can be defined as a set of Xnodes and a set of Xedges. Spatial graphis an ensemble of...
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Shekhar, S., Gupta, J. (2018). Spatial Graph Big Data. In: Sakr, S., Zomaya, A. (eds) Encyclopedia of Big Data Technologies. Springer, Cham. https://doi.org/10.1007/978-3-319-63962-8_222-1
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DOI: https://doi.org/10.1007/978-3-319-63962-8_222-1
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Latest
Spatial Graph Big Data- Published:
- 08 July 2022
DOI: https://doi.org/10.1007/978-3-319-63962-8_222-2
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Spatial Graph Big Data- Published:
- 05 March 2018
DOI: https://doi.org/10.1007/978-3-319-63962-8_222-1