<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.warrelics.eu/forum/polish-armed-forces-second-republic-si-y-zbrojne-ii-rzeczypospolitej-polskiej-1918-1939/help-needed-identify-polish-uniform-483209/>