<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.misterart.com/ceramics/glaze-under-glaze/fb~hobby-colorobbia~fp~4-9999.99~/hobby-colorobbia-liquid-bright-gold-n-metallic-lustre.html>