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Issues in youtube ontology example

From: Höffernig, Martin <Martin.Hoeffernig@joanneum.at>
Date: Wed, 14 Dec 2011 12:19:45 +0100
To: Wonsuk Lee <wonsuk73@gmail.com>, "public-media-annotation@w3.org" <public-media-annotation@w3.org>
Message-ID: <CD9846F872C7874BB4E0FDF2A61EF09FD4719D17FB@RZJC1EX.jr1.local>
Dear Wonsuk,

While looking at the MA ontology examples, I recognized some issues in your youtube [1] example:

The value of ma:hasCompression is a string. Since ma:hasCompression is an ObjectProperty, a literal cannot be its value, instead a resource is expected. Therefore I propose to insert a blank node with the value of compression as label.

Furthermore, ma:format is not part of the MA spec and should be changed to ma:hasFormat.

Can you please address these issues?!

[1]: http://www.w3.org/2008/WebVideo/Annotations/drafts/metadata_formats/Youtube-new-example_rdf.rdf



Martin Höffernig
Audiovisual Media Group
DIGITAL - Institute for Information and Communication Technologies

JOANNEUM RESEARCH Forschungsgesellschaft mbH
Steyrergasse 17, 8010 Graz, AUSTRIA

phone:  +43-316-876-1184
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e-mail: martin.hoeffernig@joanneum.at<mailto:martin.hoeffernig@joanneum.at>
Received on Wednesday, 14 December 2011 11:20:23 UTC

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