Real World XML

Dublin Core

The Dublin Core calls itself a “metadata initiative,” and it provides an RDF content model that is in wide use to describe Web resources. The Dublin Core has attracted the attention of museums, libraries, government agencies, and commercial groups as a way of standardizing RDF for Web resources. You can find out all about the Dublin Core at its home page, www.purl.org/dc.

In the previous example, I used a <Creator> property without specifying a namespace for that property. However, when you create your own properties, you should use a namespace to avoid conflicts. The Dublin Core's namespace is "http://purl.org/DC/". In fact, the <Creator> property I've been using is modeled after the Dublin Core's <Creator> property. I can declare ...