About: http://webisa.webdatacommons.org/67226105

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They are all pretty obvious and simple; you can check if a node is an element, text node, or comment, get its children, get and set its attributes, and so on.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com