About: http://webisa.webdatacommons.org/82860165

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	Also, the user can drop text or other content, so there are more events there (mouseup, for example).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com