<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://discuss.cocos2d-x.org/t/i-want-get-each-pixel-of-a-sprite-but-i-dont-know-how-would-anyone-give-me-some-clue/9374>