About: http://webisa.webdatacommons.org/387113418

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	Furthermore, the way Demand Progress usually works is that you sign their mailing list; they send an email to that list; and in that email is a link to sign the petition using your signup info.
http://www.w3.org/ns/prov#wasQuotedFrom	techdirt.com