<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.genengnews.com/Login.aspx?ReturnURL=%2Fgen-news-highlights%2Fchoc-children-s-research-institute-wins-5-5m-grant-for-stem-cell-project%2F81246827%2F%3Fkwrd%3DHematopoietic%2520Stem%2520Cells>