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Term: Metadata, structural

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Term: Metadata, structural

In digital library community usage, structural metadata describes the intellectual or physical elements of a digital object. For a file that represents a single page as a compound document (e.g., a JPEG 2000 jpm file), the structural metadata may include information on page layout. In a multi-file digital object (e.g., a scanned book with many page images), structural metadata describes the object's components and their relationships: pages, chapters, tables of contents, index, etc. Such metadata can support sophisticated search and retrieval actions as well as the navigation and presentation of digital objects. METS offers one model for the encoding of structural metadata.

In some engineering and related technical contexts, the term structural metadata refers to physical or technical information about a digital object, such as file format, size, media, etc. Digital library workers usually categorize these elements as technical metadata (see Metadata, technical).
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