January 2003
Beginner to intermediate
1200 pages
23h 42m
English
Content preview from Real World XML
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Using the Bag Container
You use a Bag container to indicate that a property has multiple, although unordered, values. How do you specify the multiple items in a container? You use the <rdf:li> element (modeled after the HTML <LI>, list item, element).
Here's an example: In this case, I'm indicating that the planets.html resource has multiple subjects—Mercury, Venus, Mars, and Earth:
Listing . ch18_10.rdf
<?xml version="1.0" ?>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:dc="http://www.purl.org/DC#">
<rdf:Description about="http://www.starpowder.com/planets.html">
<dc:Title>Planets</dc:Title>
<dc:Creator>Nicolas Copernicus</dc:Creator>
<dc:Type>text</dc:Type>
<dc:Subject>
<rdf:Bag>
<rdf:li>Mercury</rdf:li>
<rdf:li>Venus</rdf:li> ... |