Reference Definition: Metadata (metacontent) is defined as data providing information about one or more aspects of the data, such as:
Means of creation of the data Purpose of the data Time and date of creation Creator or author of data Placement on a computer network where the data was created Standards used The basic information of a piece of music
For example, a digital image may include metadata that describes how large the picture is, the color depth, the image resolution, when the image was created, and other data. A text document's metadata may contain information about how long the document is, who the author is, when the document was written, and a short summary of the document.
Metadata is data. As such, metadata can be stored and managed in a database, often called a Metadata registry or Metadata repository. However, it is impossible to identify metadata just by looking at it because a user would not know when data is metadata or just data. (Wikipedia) - Metadata
Component of: Information Model
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