The ImageObject, VideoObject and AudioObject classes are the three distinct classes in the rNews data model that allow you to describe the attributes of images, video and audio objects, respectively. The following tables summarize these attributes.

 

The following attributes are available for describing the relevant properties of images in rNews.

 

Attribute	Type	Definition
associatedArticle	Article	An Article associated with the ImageObject.
encodingFormat	xsd:string | xsd:anyURI | owl:thing	The encoding of the ImageObject. The value must be drawn from the IPTC NewsCodes for image formats available at http://cv.iptc.org/newscodes/format/
height	xsd:integer	Height of the ImageObject (in pixels).
width	xsd:integer	Width of the ImageObject (in pixels).
associatedMedia	ImageObject | AudioObject | VideoObject	An image, audio or video object associated with the ImageObject.

 

 

The following attributes are available for describing the relevant properties of audio objects in rNews.

 

Attribute	Type	Definition
associatedArticle	Article	An Article associated with the AudioObject.
encodingFormat	xsd:string | xsd:anyURI | owl:thing	The encoding of the AudioObject. The value must be drawn from the IPTC NewsCodes for audio codecs available at http://cv.iptc.org/newscodes/audiocodec/
duration	xsd:duration	The duration of the AudioObject, expressed in ISO 8601 date format (http://en.wikipedia.org/wiki/ISO_8601).
transcript	xsd:string | xsd:anyURI | owl:thing	The transcript of the AudioObject.
associatedMedia	ImageObject | AudioObject | VideoObject	An image, audio or video object associated with the AudioObject.

 

 

The following attributes are available for describing the relevant properties of video objects in rNews.

 

Attribute	Type	Definition
associatedArticle	Article	An article associated with the VideoObject.
encodingFormat	xsd:string | xsd:anyURI | owl:thing	The encoding of a VideoObject. The value must be drawn from the IPTC NewsCodes for video codecs available at http://cv.iptc.org/newscodes/videocodec/
duration	xsd:duration	The duration of the VideoObject, expressed in ISO 8601 date format (http://en.wikipedia.org/wiki/ISO_8601).
transcript	xsd:string | xsd:anyURI | owl:thing	The transcript of the VideoObject.
height	xsd:integer	Height of the VideoObject (in pixels).
width	xsd:integer	Width of the VideoObject (in pixels).
associatedMedia	ImageObject | AudioObject | VideoObject	An image, audio or video object associated with the VideoObject.

 

 

Below is an RDF/Turtle representation of portions our sample article modeled using the attributes specified in both the NewsItem and ImageObject classes. Please note that we've borrowed certain metadata values from the original Times Article (such as the name of the image) to demonstrate the appropriate use of these attributes.

      @prefix rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
      @prefix rnews: <http://iptc.org/std/rNews/2011-10-07#> .
      <http://dev.iptc.org/files/rNews-Sample-Story/libya_sample_reuters.jpg>
        a rnews:ImageObject ;
        rnews:description "Rebel fighters take cover during a shelling  near Ajdabiyah, Libya on Thursday." ;
        rnews:sourceOrganization <http://reuters.com> ;
        rnews:copyrightHolder <http://reuters.com> ;
        rnews:encodingFormat <http://cv.iptc.org/newscodes/format/JPEG_Baseline> ;
        rnews:height "326" ;
        rnews:width "600"  .