About: http://webisa.webdatacommons.org/62140293

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	Presence Service provides a text channel (chat room) for each activity; this is needed for Tubes, but the idea was that this would also be used for some sort of overlay or sidebar chat implemented in the sugar.activity library.
http://www.w3.org/ns/prov#wasQuotedFrom	laptop.org