About: http://webisa.webdatacommons.org/261919198

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 ???welcome message??? they are talking about is a widget that you can place anywhere in your theme that is widget enabled.
http://www.w3.org/ns/prov#wasQuotedFrom	buddypress.org