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Mengyu Ma, Ye Wu, Wenze Luo, Luo Chen, Jun Li and Ning Jing
Buffer analysis, a fundamental function in a geographic information system (GIS), identifies areas by the surrounding geographic features within a given distance. Real-time buffer analysis for large-scale spatial data remains a challenging problem since ...
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Thiago Sobral, Teresa Galvão, José Borges
Pág. 180 - 188
This paper proposes an ontology-based approach to support the process of visualizing urban mobility data. The approach consists of building a visualization-oriented urban mobility ontology, focused on themes such as ridership, vehicle flows and the like....
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