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Comment: corrected the link to the PDF of version 2.3.1

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Date

Version history

 

 

18 April 2009

3.0

Start of version 3.0. Based on NEEO document "MPEG21 DIDL Application Profile for Institutional Repositories" version 0.4, which is based on "MPEG21 DIDL Document Specifications for repositories" version 2.3.1. See also history. Note that this is the first version of this document. The version number (3.0) indicates that it is more recent and more up-to-date than the predecessors on which it is based by having a higher number than their latest versions.

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22 Januari 2008

2.3.1

Minor change in the schema path. ISO changed the path .../dii.xsd/dii.xsd to .../dii/dii.xsd
Minor change in the examples the mimetype for humanStartPage resources changed from "application/html" to "text/html". "application/html" is not a valid mimetype.

Download PDFhttp://www.surfspace.nl/wiki/download/attachments/2490620/DIDLdocumentSpecification_EN_v2.3.1.pdf

05 December 2007

2.3

Changes to stress the use of Persistent Identifiers in the DIDL document. The addition of the ORE compliant info:eu-repo namespace


23 May 2007

2.2.2

Some changes and little tweaks.

 

23 March 2007

2.2.1

Added comment of Peter van Huisstede, small corrections in the example XML.

 

6 March 2007

2.2

The Committee for Complex Objects looked at this document and came with more elegant improvements. Thanks to: Thomas Place, Renze Brandsma, Henk Ellermann, Peter van Huisstede and Ruud Bronmans.

 

20 February 2007

2.1

A closer look at the recommendations of Herbert vd Sompel gave more insight in the DIDL semantics, and thus leading to a better XMLspecification.

 

2 January 2007

2.0

Fundamental change of element and attribute use; for better representation of the semantics.
Additional texts for driver guidelines from Martin Feijen, new DIDL according to comments of Herbert vd Sompel, new DIDL schema. (http://purl.lanl.gov/STB-RL/schemas/2006-09/DIDL.xsd)

 

4 December 2006

1.1.2

Translated into English for DRIVER

 

11 July 2006

1.1.1

Few typos are removed.

 

10 July 2006

1.1

Extension with:

  • Version numbering and information
  • Complete namespace declaration in 'metadata'-item.
  • The three Items are not case sensitively discriminated by: metadata, objects and jump-off-page.
  • Extended explanation about the use of Namespace-declarations.

 

30 March 2006

1.0

Initial document

 

 

 

 

 

...

Example on level one

<didl:DIDL ...>
<didl:Item>
<didl:Descriptor>...</didl:Descriptor> <!-- Identification, mandatory - ->
<didl:Descriptor>...</didl:Descriptor> <!-- Modification date, mandatory - ->
<didl:Item>...</didl:Item>
<didl:Item>...</didl:Item>
<didl:Item>...</didl:Item>
...
</didl:Item>
</didl:DIDL>

Example on level two

Object type added

<didl:DIDL ...>
<didl:Item>
<didl:Item>
<didl:Descriptor>...</didl:Descriptor> <!- - Identification, mandatory -->
<didl:Descriptor>...</didl:Descriptor> <!- - Modification date, optional -->
<didl:Descriptor>...</didl:Descriptor> <!- - Type, mandatory -->
...
</didl:Item>
<didl:Item>...</didl:Item>
<didl:Item>...</didl:Item>
<didl:Item>...</didl:Item>
...
</didl:Item>
</didl:DIDL>

...

<didl:DIDL ...>
<didl:Item>
<didl*:Item*>...</didl:Item> <!- - metadata - ->
<didl*:Item*>...</didl:Item> <!-- object files -->
<didl:Item>...</didl:Item> <!-- jump-off-page ->
</didl:Item>
</didl:DIDL>

...

<didl:Item>

<didl*:*Item> <!- - one or many occurrences - ->
<didl:Descriptor>
<didl:Statement mimeType="application/xml">
<rdf:type rdf:resource="info:eu-repo/semantics/descriptiveMetadata" />
</didl:Statement>
</didl:Descriptor>
...
</didl:Item>

<didl*:*Item> <!-- zero or many occurrences - ->
<didl:Descriptor>
<didl:Statement mimeType="application/xml">
<rdf:type rdf:resource="info:eu-repo/semantics/objectFile" />
</didl:Statement>
</didl:Descriptor>
...
</didl:Item>

<didl:Item> <!-- zero or one occurrences - ->
<didl:Descriptor>
<didl:Statement mimeType="application/xml">
<rdf:type rdf:resource="info:eu-repo/semantics/humanStartPage" />
</didl:Statement>
</didl:Descriptor>
...
</didl:Item>

</didl:Item>

...

<didl:Item>


<didl:Descriptor>
<didl:Statement mimeType="application/xml">
<rdf:type rdf:resource="info:eu-repo/semantics/descriptiveMetadata" />
</didl:Statement>
</didl:Descriptor>


<didl:Descriptor> <!-- This metadata instance has its own ID number ->
<didl:Statement mimeType="application/xml">
<dii:Identifier>urn:nbn:nl:ui:13-74836724783</dii:Identifier>
</didl:Statement>
</didl:Descriptor>


<didl:Descriptor> <!-- This record has its own Modification date ->
<didl:Statement mimeType="application/xml">
<dcterms:modified>2006-12-20T10:29:12Z</dcterms:modified>
</didl:Statement>
</didl:Descriptor>


<didl:Component>


<didl:Resource mimeType="application/xml"> <!-- the MODS data -->
<mods:mods
xmlns:mods="http://www.loc.gov/mods/v3"
xsi:schemaLocation=
"http://www.loc.gov/mods/v3
http://www.loc.gov/standards/mods/v3/mods-3-3.xsd">
<mods:titleInfo>...</mods:titleInfo>
<mods:name>...</mods:name>
<mods:typeOfResource> ... </mods:typeOfResource>
...
</mods:mods>
</didl:Resource>


</didl:Component>


</didl:Item>

...




<didl:Item>
...

<!- - Below this line one can find links to one or more digital objects - ->


<didl:Item> <!-- First Item for a File/Bitstream - ->
<didl:Descriptor>
<didl:Statement mimeType="application/xml">
<rdf:type rdf:resource="info:eu-repo/semantics/objectFile" />
</didl:Statement>
</didl:Descriptor>
<didl:Descriptor> <!-- This Object Item has its own persistent ID ->
<didl:Statement mimeType="application/xml">
<dii:Identifier>urn:nbn:nl:ui:13-36724783</dii:Identifier>
</didl:Statement>
</didl:Descriptor>
<didl:Descriptor> <!-- This Item has its own Modification date ->
<didl:Statement mimeType="application/xml">
<dcterms:modified>2006-12-20T10:29:12Z</dcterms:modified>
</didl:Statement>
</didl:Descriptor>

<didl:Component>
<didl:Resource
mimeType="application/pdf"
ref="http://my.server.nl/report.pdf"/>
</didl:Component>
</didl:Item>


<didl:Item> <!-- Second Item for a File/Bitstream - ->
<didl:Descriptor>
<didl:Statement mimeType="application/xml">
<rdf:type rdf:resource="info:eu-repo/semantics/objectFile" />
</didl:Statement>
</didl:Descriptor>
<didl:Descriptor> <!-- This Object Item has its own persistent ID ->
<didl:Statement mimeType="application/xml">
<dii:Identifier>urn:nbn:nl:ui:13-36724784</dii:Identifier>
</didl:Statement>
</didl:Descriptor>
<didl:Descriptor> <!-- This Item has its own Modification date ->
<didl:Statement mimeType="application/xml">
<dcterms:modified>2006-12-20T10:29:12Z</dcterms:modified>
</didl:Statement>
</didl:Descriptor>
<didl:Descriptor> <!-- this file is the appendix - ->
<didl:Statement mimeType="application/xml">
<dc:description>Appendix</dc:description>
</didl:Statement>
</didl:Descriptor>

...
<didl:Component>
<didl:Resource
mimeType="application/pdf"
ref="http://my.server.nl/appendix.pdf"/>
</didl:Component>
</didl:Item>


<didl:Item> <!-- Third Item for a File/Bitstream - ->
<didl:Descriptor>
<didl:Statement mimeType="application/xml">
<rdf:type rdf:resource="info:eu-repo/semantics/objectFile" />
</didl:Statement>
</didl:Descriptor>
<didl:Descriptor> <!-- This Object Item has its own persistent ID ->
<didl:Statement mimeType="application/xml">
<dii:Identifier>urn:nbn:nl:ui:13-36724785</dii:Identifier>
</didl:Statement>
</didl:Descriptor>
<didl:Descriptor> <!-- This Item has its own Modification date ->
<didl:Statement mimeType="application/xml">
<dcterms:modified>2006-12-20T10:29:12Z</dcterms:modified>
</didl:Statement>
</didl:Descriptor>
<didl:Descriptor> <!-- deposit date - ->
<didl:Statement mimeType="application/xml">
<dcterms:issued>2010-12-01</dcterms:issued>
</didl:Statement>
</didl:Descriptor>
<didl:Descriptor> <!-- embargo on file - ->
<didl:Statement mimeType="application/xml">
<dcterms:available>2010-12-01</dcterms:available>
</didl:Statement>
</didl:Descriptor>

...
<didl:Component>
<didl:Resource
mimeType="application/pdf"
ref="http://my.server.nl/datasheets.xls"/>
</didl:Component>
</didl:Item>

</didl:Item>

...

The third ObjectType Item element contains a link to the jump-off page or intermediate page. This is done in the same way as for the Object Item element. This Item element is optional. There should not be more than one Item of this type. The identifier element and modified elements are optional.


<didl:Item>
...

<!-- Below this line; an Item with a link to one optional Intermediate page - ->


<didl:Item>
<didl:Descriptor>
<didl:Statement mimeType="application/xml">
<rdf:type rdf:resource="info:eu-repo/semantics/humanStartPage" />
</didl:Statement>
</didl:Descriptor>
...
<didl:Component>
<didl:Resource
mimeType="text/html"
ref="http://my.server.nl/mypub.html"/>
</didl:Component>
</didl:Item>


</didl:Item>

...