GIS Dictionary

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menu

[software] A list of available commands or operations displayed on a computer screen from which a user can make a […]

menu item

[software] An item in a list of commands displayed on a menu.

mereing

[surveying] Establishing a boundary relative to ground features present at the time of a survey.

merge policy

[ESRI software] In geodatabases, rules that dictate what happens to the respective attributes of features that are merged together during

merging

[analysisgeoprocessing] Combining features from multiple data sources of the same data type into a single, new dataset.

meridian

A great circle on the earth that passes through the poles, often used synonymously with longitude. Meridians run northsouth between

metadata

Information that describes the content, quality, condition, origin, and other characteristics of data or other pieces of information. Metadata for

metadata element

[data transfer] A unit of information within metadata, used to describe a particular characteristic of the data.

Metadata Explorer

[ESRI software] A Web application, developed using the ArcIMS Java Connector, that can be used to view metadata included in

metadata profile

[standards] A modification of an existing metadata standard to adapt to data issues, cultural issues, or both. A profile is

metadata server

[ESRI software] A public ArcIMS virtual server that provides the capability to manage and search a central metadata repository. Data

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