web.resource.org/cc
describing copyright in RDF

The CC schema lets you describe copyright licenses in RDF. Here's a summary
of the included terms:

cc:license

A copyright license for the resource, a structured
cc:License. If there are two cc:licenses,
then the licensee gets to pick which to use.

Agents (people or things that do stuff) and
Licenses, of course, can use the same structure to provide
their names, dates, etc.

Licenses

Licenses are described by their characteristics, which come in three
types:

Permissions (rights granted by the license)

Reproduction

the work may be reproduced

Distribution

the work (and, if authorized, derivative works) may be distributed,
publicly displayed, and publicly performed

DerivativeWorks

derivative works may be created and reproduced

Prohibitions (things prohibited by the license)

CommercialUse

rights may be exercised for commercial purposes

Requirements (restrictions imposed by the license)

Notice

copyright and license notices must be kept intact

Attribution

credit must be given to copyright holder and/or author

ShareAlike

derivative works must be licensed under the same terms as the original
work

SourceCode

source code (the preferred form for making modifications) must be provided
for all derivative works

Note: these characteristics are advisory only. They are
designed to describe the characteristics of a license; they are not themselves a
license. For the specific implementation of each characteristic, as well as
other details which may not be encoded in the RDF, you must consult the text of
the actual license. A license should always be linked from these metadata
terms.

More details are on the Creative
Commons metadata project website.

RDF users might be interested in our machine-readable RDF Schema. A copy is also
embedded in this document.

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