GIS (Geographic Information System)

GIS (Geographic Information System) is a system for capturing, storing, displaying, analyzing and managing data and associated attributes which are spatially referenced.

GIS Attribute

Tabular information about features contained in GIS data.

GIS Data Layer

A spatial dataset containing a common feature type. Layers are also referred to as themes.

GIS Data Provider

A person or group who is responsible for maintaining authoritative GIS data for a given service area.

GIS Feature

Representation of a real-world object in a GIS as a single geometric object


 * NENA-STA-006, NENA Standard for NG9-1-1 GIS Data Model
 * NENA-INF-028, NENA Information Document for GIS Data Stewardship for Next Generation 9-1-1