How to implement schema.org markup for a breadcrumb?

Question

There isn\'t much info about implementing a breadcrumb using schema.org markup. So far, I could get two official documents -- one showing this:

Answer 1

schema.org gives the following example :

  Books >
  Literature & Fiction >
  Classics

Source : http://schema.org/WebPage (example section, microformat tab)

Other resource : http://www.w3.org/wiki/WebSchemas/Breadcrumbs