<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.warrelics.eu/forum/peoples-army-poland-ludowe-wojsko-polskie-1943-1989/polish-sily-zbrojne-w-sluzbie-ojczyzny-190629/>