<http://schema.org/keywords>
"National Oceanic and Atmospheric Administration"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hindustantimes.com/world/this-august-was-the-hottest-in-modern-history-us-scientists/story-YWE1a757kbLAd4HRQalcFP.html>