About: http://webisa.webdatacommons.org/45324177

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	So, Gmail is an example of the best filtering approach in email, and I am using other tools for their strengths, as well.
http://www.w3.org/ns/prov#wasQuotedFrom	gigaom.com