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Health Informatics Glossary

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GAO   -   Government Accountability Office, an agency of the legislative branch of the US government that provides Congress with audit, evaluation, and investigative services. The GAO partially corresponds by function with the OMB in the executive branch.   See OMB

GE   -   [1] General Electric, a large corporation with extensive healthcare operations. [2] Governance Entity.   See Cal eConnect

Generalization   -   A structural methodology for arranging concepts in hierarchies (trees) based on characteristics. Sometimes called "is-a" relationships (e.g., hepatitis is a liver disease).   See Concept, Hierarchy

Gigabyte   -   A semi-ambiguous multiple of the unit Megabyte. Depending upon the context, a gigabyte is 1,000 megabytes (IEEE and ISO digital standards) or 1,024 megabytes (memory circuits with a binary architecture). As the variance is small, and as the international electronic standards community shows no discipline for sorting out the binary v. digital distinction, the term "kilobyte" is ambiguously employed in dissimilar contexts as if it refers to the same quantity.   See Kilobyte, Megabyte

GIGO   -   Garbage In Garbage Out (GIGO) is a computer science term emphasizing the quality of the data input relative to the quality of the data output. Machine computation is a logical process, therefore loading low quality (or irrelevant) data into a computer ("garbage in") may produce unintended or nonsensical computer output ("garbage out").   See CEHRT, Informatics, Noise, Signal

GIPSE   -   Geocoded Interoperable Population Summary Exchange (GIPSE) is a data standard developed by the CDC for syndromic surveillance reporting.   See Biosurveillance, CDC

GIS   -   Geographical Information System.

GNU   -   A recursive acronym for GNU's not UNIX, a free software operating system produced and maintained by the Free Software Foundation.   See FOSS, Free Software, Linux, Open Source

GCPI   -   Geographic Practice Cost Index, an expense adjustment required by Medicare law to reflect local differences in practice costs.   See CMS

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GPL   -   The General Public License, a type of Open Source license with a theoretically inescapable mandatory redistribution clause.   See Copyleft, FOSS, Free Software, Linux, Open Source, Viral License

GPS   -   Global Positional System.

greenCDA   -   The greenCDA project uses a pragmatic methodology for creating simplified schemas that can be transformed directly to or from normative CDA.   See CDA, CDA, HL7

Grid   -   Grid computing (or the use of a computational grid) is applying the resources of many computers in a network to a single problem at the same time - usually to a scientific or technical problem that requires a great number of computer processing cycles or access to large amounts of data.   See caBIG, Cloud Computing, SaaS

GSM   -   The Groupe Spécial Mobile (GSM) Association is an industry trade organization of mobile phone carriers and manufacturers. More than 80% of the cell phones in the world use the GSM standard. AT&T and T-Mobile are domestic carriers using GSM.   See CDMA, SMS

GUI   -   ("goo-ee")   Graphical User Interface, a method of interacting with a computer through visual elements such as icons, windows, and other images, generally using a mouse or a touchscreen. Invented at Xerox PARC.   See Icon, Mouse, PARC, Touchscreen

Guideline   -   An agreed set of rules or steps which guide the management of a clinical condition. Also known as "Clinical Guidelines."   See Algorithm, Care Pathway, Evidence Based Medicine, Protocol





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