About: http://webisa.webdatacommons.org/89587952

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	Various modifications, including substitutions, additions or deletions in the upstream and downstream sequences of R1 and R2 can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com