About: http://webisa.webdatacommons.org/144650437

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	Seems like the ability to enter notes away from your web page and not having to duplicate the effort are the biggest problems.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com