<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.msxlabs.org/forum/soru-cevap/224575-seker-pancarindan-seker-eldesi-fiziksel-degisme-mi-yoksa-kimyasal-degisme-midir.html>