<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://prostosad.kz/product/passivnyj-4-kanal-nyj-prijomnik-videosignala-po-vitoj-pare-utp-pv-link-pv-401r.html>