Machine tags (MachineTag) are just standard tag with extra information to extend the information in the tag. They are called machine tags because there are often use by program to get extra information from the tagged works or urls.
This machine tag (geo) is used to geographically locate something.
predicate - | value format | description |
---|---|---|
lat | decimal format | the latitude in decimal format |
long | decimal format | the longitude in decimal format |
geotagged is also use to specify the existence of the geo: namespace even if this is not mandatory.
The famous defcon example ;-)
geotagged geo:lat=36.107812 geo:long=-115.156975