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Top-level Element: <extension>
GUIDELINES | EXAMPLES | MAPPINGS Guidelines for Use<extension> is a container element that may be used for elements that are not defined in the MODS schema, including those local to the creator of the data. This element is repeatable. Specific Attribute Informationtype Definition
A type of extension.
Application
A MODS record might include multiple extensions. This attribute should be used to provide information so that an application can find an extension that is of interest and bypass those that are not. There is no controlled list of extension types.
EXAMPLESUses extension element to include cultural context information, which is not in MODS: <mods
xmlns="http://www.loc.gov/mods/v3 " xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/mods-3-8.xsd"
> <titleInfo>
<title>Stonehenge</title>
</titleInfo>
<extension>
<vra xmlns="http://www.vraweb.org/vracore4.htm" xsi:schemaLocation="http://www.vraweb.org/vracore4.htm http://www.loc.gov/standards/vracore/vra.xsd">
<work>
<culturalContextSet>
<culturalContext>British</culturalContext>
<culturalContext>European</culturalContext>
</culturalContextSet>
<stylePeriodSet>
<display>Late Broze Age; Neolithic</display>
<stylePeriod>Late Broze Age</stylePeriod>
<stylePeriod>Neolithic</stylePeriod>
</stylePeriodSet>
<work>
</vra>
<extension>
A simpler example: <mods
xmlns="http://www.loc.gov/mods/v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/mods-3-8.xsd"
> <titleInfo>
<title>Stonehenge</title>
</titleInfo>
<extension>
<vra xns="http://www.vraweb.org/vracore4.htm" xsi:schemaLocation="http://www.vraweb.org/vracore4.htm http://www.loc.gov/standards/vracore/vra-strict.xsd"
>
<image>
<techniqueSet>
<technique>digital imaging</technique>
</techniqueSet>
</image>
</vra>
</extension>
In the following example no external namespace is provided. It is assumed that edtms is known. <mods
xmlns="http://www.loc.gov/mods/v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/mods-3-8.xsd"
> <extension type="degree">
<edtms
>
<name>Ph.D.</name>
<level>2</level>
<discipline>Comparitive and International Education</technique>
<grantor>Coumbia University</grantor>
</edtms>
</extension>
<extension type="geo">
<rdf:RDF xmlns>:gml="http://www.opengis.net/gml/3.2/" xmlns:dc="http://purl.org/dc/elements/1.1/">
<rdf:Description rdf:about="http://purl.stanford.edu/wf287wt6130">
<dc:format>image/jpeg</dc:format>
<gml:boundedBy>
<gml:Envelope>
<gml:lowerCorner>140.153683 38.599973</gml:lowerCorner>
</extension>
MAPPINGSMARC Mapping (Bibliographic)See MARC Mapping to MODS for the <extension> element. Dublin Core MappingSee MODS to Dublin Core Metadata Element Set Mapping. Last Updated: October 14, 2022 |