HTML Metatags It is possible to detail document metadata in the HTML HEAD element of article pages by utilising the META element. The Mendeley Web Importer will attempt to extract details from appropriate META elements. There are 4 supported "standards" for describing articles in the META elements, listed in the order of usage preference: Highwire Press tags (citation_*) Eprints tags (eprints.*) PRISM tags (prism.*) Dublin Core (dc.*/dcterms.*)