Wiki.GIS.com is an encyclopedia dedicated to geographic information systems (GIS).
This repository incorporates contributions from the GIS community for the benefit of GIS professionals, students, and anyone with an interest in GIS. The wiki contains informative articles about GIS concepts, new technologies, products, people, and organizations.
Anyone who has any knowledge of GIS is more than welcome to create an account and start sharing that information by creating new pages or expanding existing pages.
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Geographic Information Science
Geographic information science is the academic theory behind the development, use, and application of geographic information systems. It is concerned with people, hardware, software, and geospatial data. GISc addresses fundamental issues raised by the use of GIS and related information technologies. Three central issues of GISc are the modifiable areal unit problem, complete spatial randomness and spatial autocorrelation. GISc is relevant to researchers from many scientific disciplines because these three central issues are often ignored in the application of statistical hypothesis testing. GISc argues that both Bayesian and Traditional statistical inference should consider spatial structure of the data being analyzed. Complete spatial randomness is also referred to as global spatial homogeneity. And spatial autocorrelation is also referred to as global spatial heterogeneity. ... more
System Design Strategies
System Design Strategies is an exclusive resource for the successful design and deployment for geographic information systems technology. This documentation is provided to share system architecture design methodology and the fundamental principles that contribute to system performance and scalability.
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What defines something's existance in physical space that establishes its location in terms of map projections or coordinate systems?