<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hometheaterforum.com/?sharelink=digg;aHR0cDovL3d3dy5ob21ldGhlYXRlcmZvcnVtLmNvbS90b3BpYy83NzE2Ny1hdHRlbnRpb24tY2FuYWRpYW4tc2hvcHBlcnMv;QXR0ZW50aW9uIENhbmFkaWFuIFNob3BwZXJz>