Discussion
Metadata is a ..................... .
Answer: D
Metadata is Data: data about data.
Metadata is structured information that describes, explains or locates another resource, for example the title, author, date, format and subject of a document. A catalogue record is metadata about a book, and a Dublin Core record is metadata about a web resource. It is still data, but data whose subject is other data.
A search engine and a website are systems that may use metadata, not metadata itself. An index is one kind of tool built from metadata, so it is narrower than the general definition.
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