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With the rapid development of the wireless internet and mobile computing, more and more mobile-based services penetrate in business and personal life. Among them, LBS is one of the more significant services. So taken the multi-scale road network datasets in LBS as examples, this paper focuses on the multi-scale modeling, representation, and adaptive visualization for spatial data from the view of...
Multi-scale representations for geographical entities is one of research focuses in the field of multi-scale spatial database, Compared with the traditional GIS model, the essential modeling mechanism and strategies for building multi-scale data model are explored. Taken the road feature as an example, a detailed description of multi-representation model elements in the multi-scale model are provided,...
Inter-connectivity maintenance among multi-representations exists as a foundational task in building multi-scale data model, however, the existing methods are still not satisfactory in practice. In this context, the paper considers that the inter-connectivity among multiple representations can be only achieved if the multi-scale model is capable of explicitly inter-relating them and dealing with their...
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