Triple tags
See also: Microformat
A amateur tag or apparatus tag uses a appropriate syntax to ascertain added semantic advice about the tag, authoritative it easier or added allusive for estimation by a computer program. Amateur tags comprise three parts: a namespace, a predicate, and a value. For example, "geo:long=50.123456" is a tag for the bounded breadth alike whose amount is 50.123456. This amateur anatomy is agnate to the Resource Description Framework archetypal for information.
The amateur tag architecture was aboriginal devised for geolicious[5] in November 2004, to map Delicious bookmarks, and acquired added accepting afterwards its acceptance by Mappr and GeoBloggers[6] to map Flickr photos. In January 2007, Aaron Straup Cope at Flickr alien the appellation apparatus tag as an another name for the amateur tag, abacus some questions and answers on purpose, syntax, and use.[7]
Specialized metadata for bounded identification is accepted as geotagging; apparatus tags are additionally acclimated for added purposes, such as anecdotic photos taken at a specific accident or allotment breed application binomial nomenclature.[8]
Hashtags
Short letters on casework such as Twitter or identi.ca may be tagged by including one or added hashtags: words or phrases prefixed with the attribute #,[9][10] with assorted words concatenated, such as those in:
#Wikipedia is my admired affectionate of #encyclopedia
Then, a being can chase for the cord #Wikipedia and this tagged chat will arise in the chase agent results. These hashtags additionally appearance up in a cardinal of trending capacity websites, including Twitter's own advanced page. Such tags are case-insensitive, with CamelCase generally acclimated for readability.
Definitions for some hashtags are accessible at hashtag.org. Hashtags were invented on Twitter by Chris Messina.[11]
One abnormality specific to the Twitter ecosystem are micro-memes, which are appearing capacity for which a hashtag is created, acclimated broadly for a few days, again disappears.[12]
Other sites, such as Hashable, accept adopted the hashtag to use for added reasons.
The affection has been added to other, non-short-message-oriented services, such as the user animadversion systems on YouTube and Gawker Media; in the case of the latter, hashtags for blog comments and directly-submitted comments are acclimated to advance a added connected amount of user action alike back paid advisers are not logged into the website.[13][14] Real-time chase aggregators such as Google Real-Time Chase additionally abutment hashtags in amalgamated posts, acceptation that hashtags amid into Twitter posts can be hyperlinked to admission posts falling beneath that aforementioned hashtag; this has added enabled a appearance of the "river" of Twitter posts which can aftereffect from chase agreement or hashtags.
See also: Microformat
A amateur tag or apparatus tag uses a appropriate syntax to ascertain added semantic advice about the tag, authoritative it easier or added allusive for estimation by a computer program. Amateur tags comprise three parts: a namespace, a predicate, and a value. For example, "geo:long=50.123456" is a tag for the bounded breadth alike whose amount is 50.123456. This amateur anatomy is agnate to the Resource Description Framework archetypal for information.
The amateur tag architecture was aboriginal devised for geolicious[5] in November 2004, to map Delicious bookmarks, and acquired added accepting afterwards its acceptance by Mappr and GeoBloggers[6] to map Flickr photos. In January 2007, Aaron Straup Cope at Flickr alien the appellation apparatus tag as an another name for the amateur tag, abacus some questions and answers on purpose, syntax, and use.[7]
Specialized metadata for bounded identification is accepted as geotagging; apparatus tags are additionally acclimated for added purposes, such as anecdotic photos taken at a specific accident or allotment breed application binomial nomenclature.[8]
Hashtags
Short letters on casework such as Twitter or identi.ca may be tagged by including one or added hashtags: words or phrases prefixed with the attribute #,[9][10] with assorted words concatenated, such as those in:
#Wikipedia is my admired affectionate of #encyclopedia
Then, a being can chase for the cord #Wikipedia and this tagged chat will arise in the chase agent results. These hashtags additionally appearance up in a cardinal of trending capacity websites, including Twitter's own advanced page. Such tags are case-insensitive, with CamelCase generally acclimated for readability.
Definitions for some hashtags are accessible at hashtag.org. Hashtags were invented on Twitter by Chris Messina.[11]
One abnormality specific to the Twitter ecosystem are micro-memes, which are appearing capacity for which a hashtag is created, acclimated broadly for a few days, again disappears.[12]
Other sites, such as Hashable, accept adopted the hashtag to use for added reasons.
The affection has been added to other, non-short-message-oriented services, such as the user animadversion systems on YouTube and Gawker Media; in the case of the latter, hashtags for blog comments and directly-submitted comments are acclimated to advance a added connected amount of user action alike back paid advisers are not logged into the website.[13][14] Real-time chase aggregators such as Google Real-Time Chase additionally abutment hashtags in amalgamated posts, acceptation that hashtags amid into Twitter posts can be hyperlinked to admission posts falling beneath that aforementioned hashtag; this has added enabled a appearance of the "river" of Twitter posts which can aftereffect from chase agreement or hashtags.
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