A standard set of meta-data attributes for documents and other content - author, creation date, etc. Supported by Plone and CMF-based content objects.
- http://plone.org/documentation/apis/interfaces/CMFCore_interfaces/DublinCore.py
- the zope dublin core API
- let me suggest that link instead
- (link to SVN head)
Here's a great source for general information from Wikipedia.org about the concept of Dublin Core metadata.