On 11 Feb 2014, at 01:53, Niklas Lindström <[email protected]> wrote:
> I would say that the vcard ontology formally needs to be fixed to allow for > more variation. It actually seems to have been amended somewhat in 2010 [4], > to at least not require the exact second (or fraction thereof) of the birth. The latest working draft of the vCard Ontology [1] is based on RFC6350 [2] which defines birthday as: "The default is a single date-and-or-time value" We can add xsd:gYear to the range for the birthdate data property to support "year-only" birth dates. (and possibly to the anniversary property too) Cheers... Renato Iannella Semantic Identity http://semanticidentity.com Mobile: +61 4 1313 2206 [1] http://www.w3.org/TR/vcard-rdf/ [2] http://tools.ietf.org/html/rfc6350
