<http://schema.org/position>
"0"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://www.discountfilterstore.com/in-line-filters.html?amp%3Border=position&amp%3Bsize_advertised=10-1%2F4+x+2-1%2F2&dir=asc&size_advertised=12-3%2F4+x+3>