<https://secure.gravatar.com/avatar/aa633efd297ff7fa2b6c38cb31f03206?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.transputec.com/blogs/handling-supply-chain-business-disruption/>