Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects simply to a non-technical, business audience. Over…
A triple tag is a type of tag that provides additional meaning to a primary tag or element. It adds three different properties to an existing tag to facilitate the interpretation and sorting of a tagged element in computer software and programs.
A triple tag is also known as a machine tag.
Triple tags were initially designed to work with geotagging services as a way of adding geolocation data to an element – typically images and other multimedia files. A triple tag syntax includes a namespace, predicate and value. A namespace is used to define a tag’s property; a predicate specifies the property of a namespace and a value may be a numeric string.
For example, a geotagging syntax, geo:long=value, is a type of triple tag where “geo” is the namespace; “long” is the predicate and the value contains a numeric string.
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Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.
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