<http://schema.org/about>
"I have always thought that Passive House  was a lousy name; I wrote earlier:\nIn english speaking Britain they call it Passivhaus, but I suspect that ten years ago, people were afraid of introducing foreign"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/passivhaus-whats-in-a-name.html>