<http://schema.org/target>
"http://www.northumbriacommunity.org/?s={search_term_string}"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.northumbriacommunity.org/?page=shop.browse&category_id=7&vmcchk=1&option=com_virtuemart&Itemid=61>