<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.iaaf.org/results/iaaf-world-cup/2010/1st-iaafvtb-bank-continental-cup-2010-4435/men/400-metres-hurdles/final/startlist>