GIS Dictionary

[data models] The route of data passage through a system.

[data management] Any collection of related data, usually grouped or stored together.

[data quality] The mathematical exactness or detail with which a value is stored within a dataset, based on the number

[ESRI software] In Survey Analyst, the process of testing each measurement using the W-test.

The reference specifications of a measurement system, usually a system of coordinate positions on a surface (a horizontal datum) or

[geodesy] A surface to which heights, elevations, or depths are referenced.

In Survey Analyst for field measurements, survey points that are not defined by computations, but that are the input data

[ESRI software] A database file format.

[non-ESRI software] Acronym for Distributed Component Object Model. Extends COM to support communication among objects on different computers on a

[navigation] A navigation method of last resort that uses the most recently recorded position of a ship or aircraft, along

[computing] To test for, detect, and correct errors in a computer program or component.