(last updated 14 December 2006) Name : Michael Ashbridge Email : mashbridge+iana&google.com MIME media type name : Application MIME subtype name : Vendor Tree - vnd.google-earth.kml+xml Required parameters : None Optional parameters : None Encoding considerations : 8bit Security considerations : The KML media type is a XML-based plain-text format. It cannot contain active or executable content. The information contained in the KML media type does not require privacy or integrity services. Interoperability considerations : There are no special interoperability issues. KML files are simple plain-text files. Published specification : A specification and reference for KML may be found at: http://earth.google.com/kml/ Applications which use this media : The KML filetype was designed for use in, and first implemented by, the Google Earth geospatial browser. More information on Google Earth can be found at: http://earth.google.com/ Several other applications that provide some amount of KML support at this time, and it is expected that several will soon do so in the near future. Amongst these are: SketchUp ( http://sketchup.com/ ) NASA World Wind ( http://worldwind.arc.nasa.gov/ ) ESRI ArcGIS Explorer ( http://www.esri.com/software/arcgis/explorer/ ) Additional information : 1. Magic number(s) : NONE 2. File extension(s) : kml 3. Macintosh file type code : GKml 4. Object Identifiers: NONE KML is an acronym for Keyhole Markup Langage, which stems from the time before the Keyhole Corporation was acquried by Google, and their Keyhole application redesigned and rebranded as Google Earth. KML is an XML-based file format and grammar for modeling and storing geographic features such as points, lines, images, and polygons for display in a geospatial browser. Person to contact for further information : 1. Name : Michael Ashbridge 2. Email : mashbridge+iana&google.com Intended usage : Common It is not unreasonable to expect that the use of KML files will be comparable to the use of PDF files. Author/Change controller : Michael Ashbridge (file created 14 December 2006)