<https://blog.bemob.com/en_US/2017/05/25/built-in-flow/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/BreadcrumbList>
<https://blog.bemob.com/en_US/2017/05/25/built-in-flow/>