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| − | [[Category:Technology]]
| + | {{Filetype |
| − | [[Category:Developer]]
| + | |license_url=yes |
| − | [[Category:metadata]]
| + | |web_statement=yes |
| − | [[Category:Developer Challenges]] | + | |more_permissions=yes |
| − | [[Category:specification]] | + | }} |
| − | {{incomplete}}
| + | An ''[[XMP]] Sidecar File'' is a file containing serialized metadata related to a document. Sub-optimal for obvious reasons, these are used by tools, including [[liblicense]], when the file format does not support direct embedding. |
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| − | This is a specification for companion file metadata. This takes the form of an associated RDF file that has metadata and licensing.
| + | See also: [http://www.adobe.com/devnet/xmp/ XMP Specification], p 36 |
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| − | Thus if you had a file such as the one referenced, '''barcode_ean13.svg''', one would create a file barcode_ean13.rdf that would contain the following. The rdf:about reference in <Work /> tag is very important for linking both relative and absolute information to a file.
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| − | == Sample ==
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| − | <pre>
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| − | <rdf:RDF
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| − | xmlns="http://web.resource.org/cc/"
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| − | xmlns:dc="http://purl.org/dc/elements/1.1/"
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| − | xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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| − | >
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| − | <Work rdf:about="http://www.openclipart.org/incoming/2004/04/contents/barcode_ean13.svg">
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| − | <dc:title>EAN-13 Bar Code</dc:title>
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| − | <dc:description>A Bar Code: EAN-13.</dc:description>
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| − | <dc:subject>barcode, bar code, bar, code, UPC, EAN, EAN-13, universal product code, universal, product, code, product code</dc:subject>
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| − | <dc:publisher><Agent rdf:about="http://www.openclipart.org/"><dc:title>Open Clip Art Project</dc:title></Agent></dc:publisher>
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| − | <dc:creator><Agent rdf:about="http://www.theworths.org/richard/"><dc:title>Richard D. Worth</dc:title></Agent></dc:creator>
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| − | <dc:rights><Agent rdf:about="http://web.resource.org/cc/PublicDomain"><dc:title>Public Domain</dc:title></Agent></dc:rights>
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| − | <dc:date>2004-04-27</dc:date>
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| − | <dc:format>image/svg+xml</dc:format>
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| − | <dc:type>http://purl.org/dc/dcmitype/StillImage</dc:type>
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| − | <license rdf:resource="http://web.resource.org/cc/PublicDomain" />
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| − | </Work>
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| − | <License rdf:about="http://web.resource.org/cc/PublicDomain">
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| − | <permits rdf:resource="http://web.resource.org/cc/Reproduction" />
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| − | <permits rdf:resource="http://web.resource.org/cc/Distribution" />
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| − | <permits rdf:resource="http://web.resource.org/cc/DerivativeWorks" />
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| − | </License>
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| − | </rdf:RDF>
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| − | </pre>
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| − | '''NOTE:''' The above [[#Sample]] does not include all of the [http://dublincore.org/documents/dces/ Dublin Core elements].
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| − | == Developer Challenges ==
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| − | It is impractical to embed metadata in some file formats, and, it should be optional to store metadata outside of a file. So we need a specification for a "companion" metadata file that would define license and other metadata information. This could take
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| − | === Implementations ===
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| − | * [http://www.openclipart.org/ Open Clip Art Library] puts RDF metadata and licensning info into a package of clip art that is named with *.rdf.
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| − | * Please add your implementation here :)
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| − | === Examples ===
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| − | * See [http://openclipart.org/wiki/index.php/Metadata_Discussion this page detailing the Open Clip Art Library's solution].
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| − | * See the [[#Sample]] above to figure out how to connect your file with CC licesning and metadata.
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| − | * Please add your example, screenshot, mockup, etc here :)
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| − | === TODO ===
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| − | * Please add your TODO here :)
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