About: http://webisa.webdatacommons.org/95210419

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	Where one or more of R1, R2 and R3 is a blocking group, it is not intended to be limited to any particular blocking group, and it should be understood that different blocking groups can be used at different ring positions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com