geographic information system wikipedia - EAS
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- GIS also known as geographic information system is a computer system made for capturing and displaying positions on the earth’s surface and portraying data in many different ways on maps. Its main job is to help in analyzing groups of data and in finding correlations or patterns.simple.wikipedia.org/wiki/GIS
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A geographic information system (GIS) is a type of database containing geographic data (that is, descriptions of phenomena for which location is relevant), combined with software tools for managing, analyzing, and visualizing those data. In a broader sense, one may consider such a system to also
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Xem thêmWhile digital GIS dates to the mid-1960s, when Roger Tomlinson first coined the phrase "geographic information system", many of the geographic concepts and methods that GIS automates date back decades earlier.
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Xem thêmThe distinction must be made between a singular geographic information system, which is a single installation of software and data for a particular use, along with associated hardware,
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Xem thêmCartography is the design and production of maps, or visual representations of spatial data. The vast majority of modern cartography is done with the help of computers, usually using
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Xem thêmSince its origin in the 1960s, GIS has been used in an ever-increasing range of applications, corroborating the widespread importance of location
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Xem thêmTools and technologies emerging from the World Wide Web Consortium's Semantic Web are proving useful for data integration problems in information systems. Correspondingly, such
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Xem thêmGIS spatial analysis is a rapidly changing field, and GIS packages are increasingly including analytical tools as standard built-in facilities, as optional toolsets, as add-ins or 'analysts'. In many instances these are provided by the original software suppliers (commercial
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A GIS software program is a computer program to support the use of a geographic information system, providing the ability to create, store, manage, query, analyze, and visualize geographic data, that is, data representing phenomena for which location is important. The GIS software industry encompasses a broad range of commercial and open-source products that provide some or all of these capabilities within various information technology architectures.
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