About: http://webisa.webdatacommons.org/207963379

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	But I am guessing that is not the best example of what you are talking about.I have at times required some personal prodding after a group invite - even when I wanted to participate.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com