About: http://webisa.webdatacommons.org/447271331

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	It looks like the author decided to only improve the premium version of the plugin and therefore the free version is a bit lacking, e.g. support for half stars, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	paulmillard.com