Metadata

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== Links ==
 
== Links ==
 
* [http://www.techdirt.com/articles/20130708/01453123733/anyone-brushing-off-nsa-surveillance-because-its-just-metadata-doesnt-know-what-metadata-is.shtml Anyone Brushing Off NSA Surveillance Because It's 'Just Metadata' Doesn't Know What Metadata Is]
 
* [http://www.techdirt.com/articles/20130708/01453123733/anyone-brushing-off-nsa-surveillance-because-its-just-metadata-doesnt-know-what-metadata-is.shtml Anyone Brushing Off NSA Surveillance Because It's 'Just Metadata' Doesn't Know What Metadata Is]
 +
* [https://www.schneier.com/blog/archives/2013/09/metadata_equals.html Metadata Equals Surveillance]

Revision as of 01:59, 24 September 2013

File Format
Name Metadata
Ontology

{{{caption}}}

Metadata is extra non-critical information about the main contents of a file, or about the circumstances in which a file was created, etc.

Many, many formats contain data that could be considered to be metadata, but this page is only concerned with dedicated metadata formats which, for one reason or another, are best documented as separate formats.

  • DFDL (Data Format Description Language) - a file format for describing file formats (how meta can you get?)
  • XML Schema Definition
  • XMDP (XHTML Meta Data Profiles)
  • XMP (Extensible Metadata Platform)

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