Geo-TargetingAdvertising that is distributed based on geographic location. Online advertising allows for targeting of countries, states, cities and suburbs (in some…
Geo/LocationIn relation to relevancy, the importance of location in relation to the query term.
geocodeGeocode refers to the combination of applicable codes for the metropolitan area, state, county and census tract.
GeocodingAssigning locational values (for example: latitude and longitude coordinates) to attribute data, such as an event or an address, that results in a feature…
GEODSSGround-based Electro-Optical Deep Space Surveillance System.
geographic dataThe locations and descriptions of geographic features. The composite of spatial data and descriptive data.
geographic data setOne of seven geographic data types supported by ARC/INFO. Geographic data sets in ARC/INFO include coverages, grids, DBMS tables, tins, images, lattices…
geographic databaseA collection of spatial data and related descriptive data organized for efficient storage and retrieval by many users.
geographic featureA user-defined geographic phenomenon that can be modeled or represented using geographic data sets in ARC/INFO.
geographic filing systemclassification of records by geographic location usually arranged by numeric code or in alphabetic order
Geographic Information System (GIS)(GIS)A set of computer tools and procedures used to collect, manage, analyze and display information associated with a specific location; a computerized…
geometric opticsThe branch of optics that describes light propagation in terms of rays. Note 1: Rays are bent at the interface between two dissimilar media, and may be…
Geometric spreadingAs the sound moves away from the source, the area that the sound energy covers becomes larger and thus sound intensity decreases.
geometryGeometry deals with the measures and properties of points, lines and surfaces. In ARC/INFO, geometry is used to represent the spatial component of…
georeferenceTo establish the relationship between page coordinates on a planar map and known real-world coordinates.
georelational modelA geographic data model that represents geographic features as an interrelated set of spatial and descriptive data.
geostationary orbitA circular orbit in the equatorial plane, any point on which revolves about the Earth in the same direction and with the same period as the Earth's…
Geostationary Orbit (GSO)An orbit 35,784 km above the equator. A satellite placed in such an orbit revolves around the earth once per day, maintaining the same position relative…
Geostationary SatelliteA satellite that rotates at the same rate as the earth, remaining over the same spot above the equator.
geostationary satellite orbitThe orbit in which a satellite must be placed to be a geostationary satellite. [NTIA] [RR]
geosynchronous orbitAny orbit about the Earth, which orbit has a period equal to the period of rotation of the Earth about its axis, and in the same sense, i.e.
GeoTIFFA binary digital image format commonly used by GIS software that is characterized by reference information embedded in the file header as opposed to an…
germanium photodiodeA germanium-based PN- or PIN-junction photodiode. Note 1: Germanium photodiodes are useful for direct detection of optical wavelengths from approximately…
GFS(Global Forecast System) One of the operational forecast models run at NCEP. The GFS is run four times daily, with forecast output out to 384 hours.
GGF (Global Grid Forum)The Global Grid Forum was founded in 2001 when the merger of regional grid organizations created a single worldwide one
GhostingThis condition occurs when two or more targets reside close to the same plane also containing two sensors viewing the targets so they are within…
gigabit (Gb)One billion bits. Unit of measure for data transfer.
Gigabit and 10-Gigabit EthernetAn Ethernet technology that raises transmission speed to either 1Gbps or 10Gbps and is compatible with existing Ethernet networks.
GIIS (Grid Index Information Service )Grid Index Information Service is the database that contains indexes of resource information registered by the GRIS and other GIISs.
GITISGovernment Integrated Technical Information System.
givebackThe return of identity from the emulated filer to the failed filer, resulting in a return to normal operation. The reverse of takeover.
Gladwell, MalcolmPopular author who wrote the book titled The Tipping Point. See also: Gladwell.
GlareThe excessive brightness from a direct light source that makes it difficult to see what one wishes to see.
glare masterThe Signaling System No. 7 (SS7) switch designated as control switch for circuits in the both-way circuit group.
glassIn the strict sense, a state of matter. [FAA] 2. In fiber-optic communication, any of a number of noncrystalline, amorphous inorganic substances, formed…
glide slope facilityIn aeronautical navigation, an instrument approach landing facility that furnishes vertical guidance information to an aircraft from its approach altitude…
globStrictly, the shell's * character, which will match a "glob" of characters when you're trying to generate a list of filenames.
globalSomething you can see from anywhere, usually used of variables and subroutines that are visible everywhere in your program.
global addressIn a communications network, the predefined address that is used as an address for all users of that network, and that may not be the address of an…
global area network (GAN)A network that (a) is composed of different interconnected computer networks and (b) covers an unlimited geographical area.
Global CatalogA directory database that applications and clients can query to locate any object in a forest.
Global Catalog (GC)The global catalog contains a partial replica of every Windows 2000 /Windows 2003 domain in the directory.
Global Catalog ServerA Windows 2000 / Windows 2003 domain controller that holds a copy of the global catalog for the forest.
global destructionThe "garbage collection" of globals (and the running of any associated object destructors) that takes place when a Perl "interpreter" is being shut down.
Global EnvironmentThe ISTC Global Environment is responsible for the creation, propagation, and maintenance of test scenario common knowledge, how subsets of this…
Global Environment (GE)The ISTC Global Environment is responsible for the creation, propagation, and maintenance of test scenario common knowledge, how subsets of this…
Global File SystemIn some configurations, as with clusters or multiple NAS boxes, it is useful to have a means to make the file systems on multiple servers or devices look…
global functional plane (GFP)The plane in the intelligent network conceptual model that defines service independent building blocks (SIBs) used in providing service features. [T1.
Global Grid ForumThe standards body for defining standard specifications for global grids. www.gridforum.org
global groupA collection of user accounts in a Windows NT domain that are members of the domain in which the global group is defined.
Global Positioning System (GPS)(GPS)A navigation system which uses a constellation of artificial earth satellites to make precise determinations of the latitude and longitude of locations on…
Global Protection Against Limited Strikes (GPALS)OBSOLETE. GPALS was an architecture denoting an anti-missile system designed to provide protection against limited ballistic missile strikes, be they…
global security environmentA security domain in a System Security policy. The GSE is the general security environment in which the system is located.
global statusThe set of attributes of an entity, described at a particular time, when that set is extended to every occurrence of that entity within a prescribed…
global system for mobile communications (GSM)A public, all-digital cellular network that is standardized worldwide and that uses (a) TDMA techniques for multiplexing at approximately 900 MHz, (b)…
global system keyA tool used to configure the startup key, a random, 128-bit, symmetric cryptographic key created at system startup and used to encrypt all of the user`s…
global title (GT)A "logical" or "virtual" address used for routing Signaling System No. 7 (SS7) messages using signaling connection control part (SCCP) capabilities.
global variableA phenomenon that is more usually regarded as being a problem in structured programming languages than in object-oriented languages.
globally unique identifierA 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number.
Globally Unique Identifier (GUID)A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number.
GlobusA collaborative academic project centered at Argonne National Laboratory focused on enabling the application of grid concepts to computing.
Globus AllianceA group that conducts research and development for academic grids. The alliance, creators of the Globus Toolkit, includes representatives from Argonne…
Globus ToolkitA kit designed by the Globus Alliance to provide a set of tools based on standard grid APIs.
globusrun-wsA command line program used to submit jobs to a GRAM4 service. See the the GRAM4 Commandline page.
GLS(Great Lakes Storm Summary) A National Weather Service forecast product providing updated information whenever a storm warning is in effect on any of the…
glue languageA language such as Perl that is good at hooking things together that weren't intended to be hooked together.
glyphAny graphic symbol not in the ASCII character set. [After IS 14651]
GMGame Master. Someone employed by Blizzard Entertainment to assist and help players.