<http://schema.org/topics>
"curved OLED TV,curved TV,Gadgets,LG,OLED,samsung,Tech,Uncategorized"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2013/07/23/lg-and-samsung-bring-curved-oled-tvs-to-the-u-s/>