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Semantically enabling map projections knowledge

December 31, 2020

Map projections are an area of cartography with a firm mathematical foundation for their creation and display providing a basis for a knowledge representation. Using only variations on a single equation set, an infinite number of projections can be created, but less than 100 are in active use. Because each projection preserves specific characteristics, such as area, angles, global look, or a compromise of properties, classifications of map projections have been developed to aid in knowledge representation. These classifications are used for decision-making. They help select the correct projection for the map use. They assist users with determining the correct orientation, standard parallels and meridians. The classifications also inform the user how to adjust the selection based on size, extent, and latitude. Semantics can be used to automate map projections knowledge into a knowledge base that can be accessed by humans and machines. This work details a semantic representation of map projections knowledge and provides a simple example of a use case that exploits the knowledge base.

Publication Year 2020
Title Semantically enabling map projections knowledge
DOI 10.32909/kg.19.33.5
Authors E. Lynn Usery
Publication Type Article
Publication Subtype Journal Article
Series Title Cartography and Geoinformation
Index ID 70219157
Record Source USGS Publications Warehouse
USGS Organization National Geospatial Program