Glossary of Terms

Understand basic Public Safety definitions and terms.

Re-projection

Definition:

Converting foreign data from the PSAP specified projection to that used by the GIS team, allowing analysts to overlay
the data with current boundaries and determine what edits should be made.

Spatial Interface

Formerly known as the Spatial Information Function (SIF), the Spatial Interface provides an interface between an authoritative copy of GIS data and...

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SDE

Spatial Data Engine. Manages spatial data in a relational database management system and enables it to be accessed by ArcGIS, ArcView, and web...

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Foreign Data

Spatial data provided electronically to the Data Collection team by a PSAP or other 9‐1‐1 agency. This information is used in the creation and...

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DMS

Data Management System - A data base managed by the telephone company which includes ANI and ALI information.

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