CC0 Technical Overview - Revision history

Mike Linksvayer: /* Metadata */

2008-04-15T19:50:31Z

‎Metadata

Nathan Yergler: /* Waiving Rights */

2008-04-15T19:25:13Z

‎Waiving Rights

Mike Linksvayer at 21:41, 14 April 2008

2008-04-14T21:41:35Z

Mike Linksvayer: CCZero Technical Overview moved to CC0 Technical Overview

2008-04-14T21:35:59Z

CCZero Technical Overview moved to CC0 Technical Overview

Nathan Yergler at 23:30, 17 January 2008

2008-01-17T23:30:50Z

Mike Linksvayer at 00:22, 16 January 2008

2008-01-16T00:22:04Z

Nathan Yergler at 20:16, 7 January 2008

2008-01-07T20:16:17Z

Nathan Yergler: /* Examples */

2008-01-07T20:15:11Z

‎Examples

Nathan Yergler at 20:02, 7 January 2008

2008-01-07T20:02:34Z

Nathan Yergler: /* Publishers */

2008-01-07T19:48:14Z

‎Publishers

@@ Line 9: / Line 9: @@
 = Metadata =
-CC0 introduces four new predicates in the Creative Commons [http://creativecommons.org/ns namespace].
+CC0 introduces two new predicates in the Creative Commons [http://creativecommons.org/ns namespace].
 * '''licenseOffer''': The URI or (as generated by the [http://labs.creativecommons.org/license/zero beta CC0 chooser]) blank node bundling the details of a license offer.  A license offer can contain information regarding the specific license URI (<code>license</code>), the actor (<code>cc:waivedBy</code>, etc).

@@ Line 25: / Line 25: @@
 <pre>
 <p xmlns:cc="http://creativecommons.org/ns#"
-        xmlns:dc="http://purl.org/dc/elements/1.1/" about="http://example.org/~auser/brilliance" rel="cc:licenseOffer">
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
 <a rel="license"
     href="http://labs.creativecommons.org/licenses/zero/1.0/" style="text-decoration:none;">
@@ Line 49: / Line 50: @@
 As you can see, this metadata makes statements about both the work and the person waiving their rights over the work.
 = Publishers =

@@ Line 1: / Line 1: @@
 {{Draft}}
-[[Category:CCZero]]
+[[Category:CC0]]
 __TOC__
-CC&empty; provides a framework that enables people to
+[[CC0]] provides a framework that enables people to WAIVE all copyrights and related or neighboring interests that you have over a work. You can only do this if you hold [http://wiki.creativecommons.org/Before_Licensing#Make_sure_you_have_the_rights the necessary rights] for the work.
-* (a) ASSERT that a work is free of copyright as a matter of fact, for example, because the work [http://en.wikipedia.org/wiki/Public_Domain#Expiration is old enough] to be in the public domain, or because the work is in a class not protected by copyright such as [http://en.wikipedia.org/wiki/Copyright_status_of_work_by_the_U.S._government U.S. government works]. Curators and publishers of public domain material may be well placed to make such an assertion.
+This page describes the metadata used to describe CC0 works along with suggestions for publishers who wish to use CC0.
 = Metadata =
-CC&empty; introduces four new predicates in the Creative Commons [http://creativecommons.org/ns namespace].
+CC0 introduces four new predicates in the Creative Commons [http://creativecommons.org/ns namespace].
-* '''licenseOffer''': The URI or (as generated by the [http://labs.creativecommons.org/license/zero beta CC&empty; chooser]) blank node bundling the details of a license offer or assertion.  A license offer can contain information regarding the specific license URI (<code>license</code>), the actor (<code>cc:assertedBy</code> or <code>cc:waivedBy</code>, etc).
+* '''licenseOffer''': The URI or (as generated by the [http://labs.creativecommons.org/license/zero beta CC0 chooser]) blank node bundling the details of a license offer.  A license offer can contain information regarding the specific license URI (<code>license</code>), the actor (<code>cc:waivedBy</code>, etc).
 * '''waivedBy''': The URI of the actor (rights holder) waiving all legal rights to a work.
 == Examples ==
-The CC&empty; application returns HTML with [[RDFa|embedded metadata]] describing the role the user has selected, along with any additional metadata provided.
+The CC0 application returns HTML with [[RDFa|embedded metadata]] describing the role the user has selected, along with any additional metadata provided.
 === Waiving Rights ===
@@ Line 40: / Line 27: @@
          xmlns:dc="http://purl.org/dc/elements/1.1/" about="http://example.org/~auser/brilliance" rel="cc:licenseOffer">
 <a rel="license"
-    href="http://labs.creativecommons.org/licenses/zero-waive/1.0/us/" style="text-decoration:none;">
+    href="http://labs.creativecommons.org/licenses/zero/1.0/" style="text-decoration:none;">
     <img src="http://labs.creativecommons.org/zero/images/88x31/cc-zero.png" border="0" alt="CC0" /></a>
 <br/>To the extent possible under law, <a rel="cc:waivedBy" href="http://example.com/~auser">
 <span about="http://example.com/~auser" property="dc:title">A. User</span></a> has <a rel="license"
-       href="http://labs.creativecommons.org/licenses/zero-waive/1.0/us/">waived</a>
+       href="http://labs.creativecommons.org/licenses/zero/1.0/">waived</a>
 all copyright, moral rights, database rights, and any other rights that
 might be asserted over <a href="http://example.org/~auser/brilliance"><span about="http://example.org/~auser/brilliance" property="dc:title">Brilliance Described</span></a>.
@@ Line 55: / Line 42: @@
 <http://example.org/~auser/brilliance> <http://purl.org/dc/elements/1.1/title> "Brilliance Described" .
-_:n0 <http://www.w3.org/1999/xhtml/vocab#license> <http://labs.creativecommons.org/licenses/zero-waive/1.0/us/> .
+_:n0 <http://www.w3.org/1999/xhtml/vocab#license> <http://labs.creativecommons.org/licenses/zero/1.0/> .
 _:n0 <http://creativecommons.org/ns#waivedBy> <http://example.com/~auser> .
@@ Line 63: / Line 50: @@
 As you can see, this metadata makes statements about both the work and the person waiving their rights over the work.
 = Publishers =
-Creative Commons recommends marking works published under CC&empty; with [[RDFa|embedded metadata]].  Metadata allows search engines and web software to find structured information about pages.  The minimal recommended case is specifying CC&empty; as the license.  Note CC&empty; is not a license but provides similar information regarding re-use rights.  Therefore we reuse the existing, supported infrastructure.
+Creative Commons recommends marking works published under CC0 with [[RDFa|embedded metadata]].  Metadata allows search engines and web software to find structured information about pages.  The minimal recommended case is specifying CC0 as the license.  Note CC0 is technically a waiver rather than a license but provides similar information regarding re-use rights.  Therefore we reuse the existing, supported infrastructure.
 For example:
@@ Line 106: / Line 62: @@
 </pre>
-Additional metadata may be specified using the <code>assertedBy</code> or <code>waivedBy</code> predicates.  Each specifies a URI; publishers are encouraged to provide additional metadata about the actor at that location.
+Additional metadata may be specified using the <code>waivedBy</code> predicate, which specifies a URI; publishers are encouraged to provide additional metadata about the actor at that location.

@@ Line 2: / Line 2: @@
 [[Category:CCZero]]
 [[Category:Public Domain]]
 CC&empty; provides a framework that enables people to
-* (a) ASSERT that a work has no legal restrictions attached to it, OR
+* (a) ASSERT that a work is free of copyright as a matter of fact, for example, because the work [http://en.wikipedia.org/wiki/Public_Domain#Expiration is old enough] to be in the public domain, or because the work is in a class not protected by copyright such as [http://en.wikipedia.org/wiki/Copyright_status_of_work_by_the_U.S._government U.S. government works]. Curators and publishers of public domain material may be well placed to make such an assertion.
-* (b) WAIVE any rights associated with a work so it has not legal restrictions attached to it
 This page describes the metadata used to describe these two complementary paths along with suggestions for publishers who wish to use CC&empty;.
@@ Line 12: / Line 16: @@
 = Metadata =
-CC&empty; introduces two new terms in the Creative Commons [http://creativecommons.org/ns namespace].
+CC&empty; introduces four new predicates in the Creative Commons [http://creativecommons.org/ns namespace].
 * '''assertedBy''': The URI of the actor asserting that a work is free of legal restrictions.
 * '''waivedBy''': The URI of the actor (rights holder) waiving all legal rights to a work.
 == Examples ==
@@ Line 26: / Line 37: @@
 <pre>
-<p about="http://example.com/~auser/brilliance">
+<p xmlns:cc="http://creativecommons.org/ns#"
 <a rel="license"
-    href="http://labs.creativecommons.org/licenses/zero/1.0/" style="text-decoration:none;">
+    href="http://labs.creativecommons.org/licenses/zero-waive/1.0/us/" style="text-decoration:none;">
     <img src="http://labs.creativecommons.org/zero/images/88x31/cc-zero.png" border="0" alt="CC0" /></a>
 <br/>To the extent possible under law, <a rel="cc:waivedBy" href="http://example.com/~auser">
 <span about="http://example.com/~auser" property="dc:title">A. User</span></a> has <a rel="license"
-       href="http://labs.creativecommons.org/licenses/zero/1.0/">waived</a>
+       href="http://labs.creativecommons.org/licenses/zero-waive/1.0/us/">waived</a>
 all copyright, moral rights, database rights, and any other rights that
-might be asserted over <a href="http://example.com/~auser/brilliance">Brilliance Described</a>.
+might be asserted over <a href="http://example.org/~auser/brilliance"><span about="http://example.org/~auser/brilliance" property="dc:title">Brilliance Described</span></a>.
-</pre>
+</p></pre>
 Described in [http://en.wikipedia.org/wiki/Notation_3 N3], the triples encoded in the above HTML are:
 <pre>
-<http://example.com/~auser/brilliance> <http://www.w3.org/1999/xhtml/vocab#license> <http://labs.creativecommons.org/licenses/zero/1.0/> .
+<http://example.org/~auser/brilliance> <http://creativecommons.org/ns#licenseOffer> _:n0 .
-<http://example.com/~auser/brilliance> <http://creativecommons.org/ns#waivedBy> <http://example.com/~auser> .
+<http://example.org/~auser/brilliance> <http://purl.org/dc/elements/1.1/title> "Brilliance Described" .
 <http://example.com/~auser> <http://purl.org/dc/elements/1.1/title> "A. User" .
@@ Line 53: / Line 68: @@
 <pre>
-<p about="http://example.com/~auser/brilliance">
+<p xmlns:cc="http://creativecommons.org/ns#"
    <a rel="license"
-      href="http://labs.creativecommons.org/licenses/zero/1.0/" style="text-decoration:none;">
+      href="http://labs.creativecommons.org/licenses/zero-assert/1.0/us/" style="text-decoration:none;">
       <img src="http://labs.creativecommons.org/zero/images/88x31/cc-zero.png" border="0" alt="" />
    </a>
-   <br/><a rel="cc:assertedBy" href="http://example.com/~foobar">
+   <br/><a rel="cc:assertedBy" href="http://example.com/~fbar">
-<span about="http://example.com/~foobar" property="dc:title">F. Bar</span></a> asserts
+<span about="http://example.com/~fbar" property="dc:title">F. Bar</span></a> asserts <a href="http://example.com/~auser/brilliance"><span about="http://example.com/~auser/brilliance" property="dc:title">Brilliance Described</span></a>  is <a rel="license"
-<a href="http://example.com/~auser/brilliance">Brilliance Described</a> is
+     href="http://labs.creativecommons.org/licenses/zero-assert/1.0/us/">free
-<a rel="license"
+     of any copyrights</a>; <a href="http://creativecommons.org/ns#us_1923" rel="cc:assertionBasis">the work was created in the U.S. before 1923</a></p>
 </pre>
@@ Line 70: / Line 84: @@
 <pre>
-<http://example.com/~auser/brilliance> <http://www.w3.org/1999/xhtml/vocab#license> <http://labs.creativecommons.org/licenses/zero/1.0/> .
+<http://example.com/~auser/brilliance> <http://creativecommons.org/ns#licenseOffer> _:n0 .
-<http://example.com/~auser/brilliance> <http://creativecommons.org/ns#assertedBy> <http://example.com/~foobar> .
+<http://example.com/~auser/brilliance> <http://purl.org/dc/elements/1.1/title> "Brilliance Described" .
 </pre>

← Older revision		Revision as of 00:22, 16 January 2008
Line 1:		Line 1:
	{{Draft}}		{{Draft}}
		+	[[Category:CCZero]]
		+	[[Category:Public Domain]]

	CC∅ provides a framework that enables people to		CC∅ provides a framework that enables people to

← Older revision	Revision as of 21:35, 14 April 2008
(No difference)

@@ Line 30: / Line 30: @@
 might be asserted over <a href="http://example.com/~auser/brilliance">Brilliance Described</a>.
 </pre>
 Alternately, a user asserting that a work is free of legal restrictions:
@@ Line 46: / Line 57: @@
      of any copyrights</a>.
 </p>
 </pre>

@@ Line 17: / Line 17: @@
 === Examples ===
-The CC&empty; application returns HTML with [[RDFa embedded metadata]] describing the role the user has selected, along with any additional metadata provided.  For example, a user waiving all rights to a work:
+The CC&empty; application returns HTML with [[RDFa|embedded metadata]] describing the role the user has selected, along with any additional metadata provided.  For example, a user waiving all rights to a work:
 <pre>
@@ Line 50: / Line 50: @@
 == Publishers ==
-Creative Commons recommends marking works published under CC&empty; with [[RDFa embedded metadata]].  Metadata allows search engines and web software to find structured information about pages.  The minimal recommended case is specifying CC&empty; as the license.  Note CC&empty; is not a license but provides similar information regarding re-use rights.  Therefore we reuse the existing, supported infrastructure.
+Creative Commons recommends marking works published under CC&empty; with [[RDFa|embedded metadata]].  Metadata allows search engines and web software to find structured information about pages.  The minimal recommended case is specifying CC&empty; as the license.  Note CC&empty; is not a license but provides similar information regarding re-use rights.  Therefore we reuse the existing, supported infrastructure.
 For example:

← Older revision		Revision as of 19:48, 7 January 2008
Line 50:		Line 50:
	== Publishers ==		== Publishers ==

−	Creative Commons recommends marking works published under CC∅ with embedded metadata. Metadata allows search engines and web software to find structured information about pages. The minimal recommended case is specifying CC∅ as the license~~<ref name="license">~~CC∅ is not a license but provides similar information regarding re-use rights. Therefore we reuse the existing, supported infrastructure.</~~ref~~>.	+	Creative Commons recommends marking works published under CC∅ with [[RDFa embedded metadata]]. Metadata allows search engines and web software to find structured information about pages. The minimal recommended case is specifying CC∅ as the license. Note CC∅ is not a license but provides similar information regarding re-use rights. Therefore we reuse the existing, supported infrastructure.
		+
		+	For example:
		+
		+	<pre>
		+	All legal rights to this page have <a rel="license"
		+	href="http://labs.creativecommons.org/licenses/zero/1.0/">been waived</a>.
		+	</pre>
		+
		+	Additional metadata may be specified using the <code>assertedBy</code> or <code>waivedBy</code> predicates. Each specifies a URI; publishers are encouraged to provide additional metadata about the actor at that location.