<http://schema.org/keywords>
"air pollutant index/ g palanivel/ hotsopts"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.thestar.com.my/News/Nation/2014/08/07/Klang-API-reaches-unhealthy-level-NOAA-satellite-finds-hotspots-in-Malaysia-and-Indonesia/>