<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://blog.stillen.com/page/2/?ud=bm8sMCwyMDA1IGNoZXZyb2xldCBzaWx2ZXJhZG8gMTUwMA%253D%253D>