About: http://webisa.webdatacommons.org/14170803

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	The purpose is to extract opinions and sentiments from text and determine whether a product or a service is viewed positively or negatively.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com