Dublin Core
The Dublin Core, http://purl.org/dc/, is a standard set of 15 information items with specified semantics that reflect the sort of data you’d be likely to find in a card catalog or annotated bibliography. These are:
- Title
Fairly self-explanatory; this is the name by which the resource is known. For instance, the title of this book is XML in a Nutshell.
- Creator
The person or organization who created the resource, e.g., a painter, author, illustrator, composer, and so on. For instance, the creators of this book are W. Scott Means and Elliotte Rusty Harold.
- Subject
A list of keywords, very likely from some other vocabulary such as the Dewey Decimal System or Yahoo categories, identifying the topics of the resource. For instance, using the Library of Congress Subject Headings vocabulary, the subject of this book is “XML (Document markup language).”
- Description
Typically, a brief amount of text describing the content of the resource in prose, but it may also include a picture, a table of contents, or any other description of the resource. For instance, a description of this book might be “A brief tutorial on and quick reference to XML and related technologies and specifications.”
- Publisher
The name of the person, company, or organization who makes the resource available. For instance, the publisher of this book is “O’Reilly Media, Inc.”
- Contributor
A person or organization who made some contribution to the resource but is not the primary creator of the resource. For example, the editors ...
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