On Jan 23, 2013, at 9:27 AM, Jeremy Tarling <[email protected]> wrote:
> Hello all > > I am working with BBC News on implementing some RDFa in article pages on > http://www.bbc.co.uk/news. rNews seems like the best candidate for us in > terms of expressiveness and wider adoption, so I am thinking, as a first > iteration, we will add something like this to article pages: > > <head prefix="rnews: http://iptc.org/std/rNews/2011-10-07#"; > resource="{published URL}" > typeof="rnews:NewsItem";> > <meta property="rnews:headline"; content="{headline}"/> > <meta property="rnews:description"; content="{description}"/> > <meta property="rnews:thumbnailUrl"; content="{thumbnail URL}"/> > <meta property="rnews:datePublished"; content="{date published}"/> > <meta property="rnews:creator"; content="<http://www.bbc.co.uk/news>"/> > … > </head> > > We are currently working on an internal project to identify the > real-world concepts mentioned in our stories and associate them back > with the published article; when this is available we will add the > following: > > <meta property="rnews:about"; content="{GUID for > person/place/organisation}"/> > <meta property="rnews:mentions"; content="{GUID for > person/place/organisation} "/> > > Separately we will publish the BBC GUIDs we have created for > person/place/organisations with sameAs links towikidata/freebase/dbpedia. > > Does anyone see any problems with this approach? If the GUID and and thumbnailURL objects are intend to be IRIs, you should use <link> instead of <meta>. The <content> element is only used for literal values. Try the following: <head prefix="rnews: http://iptc.org/std/rNews/2011-10-07#"; resource="{published URL}" typeof="rnews:NewsItem";> <meta property="rnews:headline"; content="{headline}"/> <meta property="rnews:description"; content="{description}"/> <link property="rnews:thumbnailUrl"; resource="{thumbnail URL}"/> <meta property="rnews:datePublished"; content="{date published}"/> <link property="rnews:creator"; resource="<http://www.bbc.co.uk/news>"/> <link property="rnews:about"; resource="{GUID for person/place/organisation}"/> < link property="rnews:mentions"; resource="{GUID for person/place/organisation} "/> </head> (Note, you could use @href instead of @resource, but technically the value range of @href is URL, not IRI, so a GUID (expressed as a URN) wouldn't be valid). Of course, if the about and mentions properties DatatypeProperties rather than ObjectProperties, the use of <meta> and @content is fine, but you might want to consider providing an appropriate datatype with @datatype. Gregg > Thanks > > JT > > ------- > Jeremy Tarling > Data Architect, BBC News > 4th Floor New Broadcasting House > London W1A 1AA > > >
