About: http://webisa.webdatacommons.org/224285800

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	The free version allows to organize email using the GTD methodology, but the Plus version (which is paid) has other features such as notes and deadlines in the emails.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com