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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| ACD |
Automatic Call Distributor - routes incoming 911 calls to the first available operator. |
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| Address Geocoding |
Process of assigning a street address to spatial data (such as points that represent structures). For example, an address may be matched to an address range on a street segment. |
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| ALI |
Address Location Identification - The ability to display the address of the phone from which 9-1-1 was dialed. Accomplished through preloading the telephone company's computer memory links with the proper information. Must have Automatic Number identification service installed before ALI can be installed.
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| ANI |
Automatic Number Identification - The ability to display the phone number of the telephone from which 9-1-1 was dialed in the same manner as ALI. Does not require ALI service installed.
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| Annotation |
Labels for data based on attribute values. |
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| APCO |
Associated Public Safety Communication Officials - Professional association which is used for up to date information on telecommunications and training.
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| ArcGIS |
A scaleable system of GIS software developed by ESRI that has several product levels with increasing GIS functionality. |
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| ArcInfo |
High-end GIS software produced by ESRI. |
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| ArcView |
A popular end-user GIS software produced by ESRI. It is available in two versions: ArcView 3.x, based on Avenue programming language, and ArcView 8.x based on Visual Basic programming language. |
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| Attribute |
A piece of data that describes a characteristic of a real world entity or condition. Attributes are either alphanumeric data or descriptive text strings. |
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| AVL |
Automatic Vehicle Location - A system that shows the position of response vehicles on a map display.
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