<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<http://www.genengnews.com/Registration.aspx?ReturnURL=%2Fgen-articles%2Fmicroarrays-for-gene-expression-studies%2F2991%2F%3Fkwrd%3DDNA%2520Methylation>