Metadata is structured information that describes, explains, locates, or otherwise makes it easier to retrieve, use, or manage an information resource. Crucially, it is often summarized simply as “data about data.” Rather than containing the primary content itself, metadata provides the vital context, background, and properties of that content. The Core Types of Metadata Most metadata can be sorted into three primary categories:
Descriptive Metadata: Information used for discovery and identification. Examples include a file’s title, author, date, and keywords.
Structural Metadata: Information about how compound objects are put together. For instance, it dictates how pages are ordered to form chapters in an e-book.
Administrative Metadata: Technical data that helps manage a resource. This includes file formats, access permissions, creation timestamps, and copyright details. Everyday Examples
You interact with metadata constantly in the digital world without realizing it: Metadata is data about data.
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