PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The logo is usually not the main heading on the page, so I think there is an argument for wrapping it in a <p>, with normal text (e.g. <p>My Company</p>) and then absolutely place the logo image over the top of that text.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sitepoint.com