Metadata is information (data) that describes the attributes of other data. Metadata or meta tags are commonly used in databases where the attributes of a particular column of data are defined. For example: the phone number column of the employee data table contains groups of numbers 3 or 4 characters in length separated by a hyphen "-". Television metadata is information that describes the attributes of television media (such as program title, media format, runtime, actors, and other data.
Television or media program metadata is used in electronic program guides
(EPGs) and recommendation engines.
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