Synonyms
Model generalization; Conceptual generalization of databases; Cartographic generalization; Geographic data reduction; Multiple resolution database
Definition
Model generalization is used to derive a more simple and more easy to handle digital representation of geometric features [1]. It is being applied mainly by National Mapping Agencies to derive different levels of representations with less details of their topographic data sets, usually called Digital Landscape Models (DLM's). Model generalization is also called geodatabase abstraction, as it relates to generating a more simple digital representation of geometric objects in a database, leading to a considerable data reduction. The simplification refers to both the thematic diversity and the geometric complexity of the objects. Among the well known map generalization operations the following subset is used for model generalization: selection, (re-)classification, aggregation, and area collapse. Sometimes, also the...
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Sester, M. (2008). Abstraction of GeoDatabases. In: Shekhar, S., Xiong, H. (eds) Encyclopedia of GIS. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35973-1_13
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DOI: https://doi.org/10.1007/978-0-387-35973-1_13
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