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Comment LC-2417
:
Commenter: Renato Iannella <renato@iannella.it>

or
Resolution status:

Dear MAWG, the following are comments on the "Ontology for Media Resource 1.0 W3C Working Draft 08 June 2010" [1] from the W3C Policy Languages Interest Group (PLING) [2].

We apologise for missing the due date, and hope these comments are constructive.

We are happy to respond to any questions you may have..

Cheers

Renato Iannella, Co-Chair, W3C PLING

[1] http://www.w3.org/TR/mediaont-10/
[2] http://www.w3.org/Policy/pling/wiki/Main_Page

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PLING feedback on the "Ontology for Media Resource 1.0" W3C Working Draft 08 June 2010.

We found the two properties ma:copyright and ma:policy to have overlapping and ambiguous semantics that could lead to improper use of the these two properties.

We suggest that the properties should be subsumed into the single ma:policy property with the following description:

"A tuple containing a policy statement associated with the resource (eg copyright), an identifier of policy (typically machine-resolvable), and the type of the policy to provide more information as to the nature of the policy. At least one of identifier and/or statement is mandatory and type is optional"

The "type definition" of the ma:policy property would include:
- ma:policy.statement - A human-readable description of the Policy (string)
- ma:policy.identifier - The Identifier of the Policy (URI)
- ma:policy.type - The category of the Policy (URI)

Recommended values for policy.type is the Meta information from the XHTML Vocabulary (http://www.w3.org/1999/xhtml/vocab/#)

The ma:copyright would naturally be mapped into ma:policy.statement

Other Examples:
--------
ma:policy[0].statement = "Copyright PLING Inc 2010. All Rights Reserved"
ma:policy[0].type = "http://www.w3.org/1999/xhtml/vocab/#copyright"

ma:policy[1].identifier = "http://p3pbook.com/examples/10-4.xml"
ma:policy[1].type = http://www.w3.org/1999/xhtml/vocab/#p3pv1"

ma:policy[2].identifier = "http://odrl.net/license/license.xml"
ma:policy[2].type = http://www.w3.org/1999/xhtml/vocab/#license"

ma:policy[3].identifier = "http://creativecommons.org/licenses/by/3.0/"
ma:policy[3].type = http://www.w3.org/1999/xhtml/vocab/#license"
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http://lists.w3.org/Archives/Public/public-media-annotation/2010Aug/0012.html http://lists.w3.org/Archives/Public/public-media-annotation/2010Aug/0013.html http://lists.w3.org/Archives/Public/public-media-annotation/2010Aug/0014.html
(space separated ids)
(Please make sure the resolution is adapted for public consumption)


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