Jisho

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Noun
1. metadataComputing
Wikipedia definition
2. MetadataThe term metadata is an ambiguous term which is used for two fundamentally different concepts. Although the expression "data about data" is often used, it does not apply to both in the same way. Structural metadata, the design and specification of data structures, cannot be about data, because at design time the application contains no data. In this case the correct description would be "data about the containers of data".
Read “Metadata” on English Wikipedia
Read “メタデータ” on Japanese Wikipedia
Read “Metadata” on DBpedia

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