<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.misterart.com/more-ways-brand-names/fb~alvin~c1~drawing-illustration~c2~drawing-lettering-aids~/alvin-w-series-all-wood-academic-t-squares.html>