About: http://webisa.webdatacommons.org/57412895

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	Below are a few examples of the systems (some reputation-based) that combat spam.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com