PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is praised because it does not add functions to on[event] properties that can close around other elements, creating memory leaks in IE. Instead it places a lightweight expando property, which maps to an entry in jQuery.cache, which holds handlers and other data.
http://www.w3.org/ns/prov#wasQuotedFrom
  • github.com