About: http://webisa.webdatacommons.org/142010409

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	Alternatively, they may be displayed in different ways to visually represent whether the messages are positive or negative feedback.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com