<http://schema.org/topics>
"Add new tag,andy samberg,justin timberlake,Mashable,mother lover,Parenting,NBC,Saturday Night Live,Video,viral video,YouTube"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2009/05/10/mother-lover-justin-timberlake-mothers-day-video/>