About: http://webisa.webdatacommons.org/343267911

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	In some cases, the action is a reciprocating action as is disclosed, for example in U.S. Pat. No. 4,704,756 granted to Williams et al. on Nov. 10, 1987.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com