Editing Courses/EPUB/day1 (section)

==== Dublin Core terms (advanced)====
The metadata uses [http://dublincore.org/documents/dcmi-terms/ Dublin Core terms]

'''Dublin Core terms''' constitutes a metadata scheme, which intends to provide a simple and limited vocabulary to describe web resources, hence its adoption in EPUB.

<pre>
<dc:creator id="epub-creator-0">Luther Blisset</dc:creator>
<meta refines="#epub-creator-0" property="role" scheme="marc:relators">aut</meta>
</pre>

Inside the ePub Dublin Core structures the metadata by using a DC term and giving it a value; 

To produce more accurate metadata, the dc terms are refined  with a <code><meta></code>

In the example case above:
* DC term is "creator"; and has the value Luther Blisse
* and the <code><meta scheme="marc:relators"></code> specifies that this creator is an author: "aut"

* "creator" is one the [http://dublincore.org/documents/2012/06/14/dcmi-terms/ Dublin Core terms]  
* "aut" is one of the [http://www.loc.gov/marc/relators/relaterm.html MARC Relator terms] made available by the Library of Congress. In conjunction with Dublin Core terms, they provide a more detailed description.

The combination of the more generic DC terms, with the more specific MARC Relator terms can provide a very rich, detailed, and yet generic set of title level metadata.

Common DC terms used are: creator, title, identifier, language, description, subject, publisher


Note: That in order two use the dublin core terms, its namespace must be declared, either in the package tag:
 <package xmlns="http://www.idpf.org/2007/opf" xmlns:dc="http://purl.org/dc/elements/1.1/" unique-identifier="epub-id-1" version="3.0">
Or the metadata tag:
 <metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
</div>