The second of the Standard modules to be examined in this chapter,
is the most-used of all the RSS
1.0 modules. It allows an RSS 1.0 feed to express the additional
metadata formalized by the Dublin Core Metadata Initiative. Chapter 5 discusses this initiative in detail, so
let’s move on to the details of the module itself.
mod_dublincore is identified by the prefix
dc: and the URI
http://purl.org/dc/elements/1.1/. So, in the grand
tradition, the root element appears as:
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://purl.org/rss/1.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" >
can be used in two ways: the simpler and the more RDF-based.
In either usage,
mod_dublincore elements are
entirely optional and can be applied to the
textinput element, or
all of them, as liberally as you wish, as long as the information you
are relating makes sense. It is rather addictive, I must say, and I
encourage you to put Dublin Core metadata all over your
feeds. Here’s what we can include:
The title of the item.
The name of the creator of the item (i.e., a person,
organization, or system). If the creator is a person, this
information is customarily in the format
The subject of the item.
A brief description of the item.
The name of the publisher, either ...