About: http://webisa.webdatacommons.org/401308263

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	They are both email clients, but one's web-based and the other is an app.Today, most people seem to prefer webmail (for personal email at least) but the argument for the apps was that it was faster.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com