About: http://webisa.webdatacommons.org/201539161

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	As described below with reference to FIG. 3, the server tracks the public stroke data per user and context, such as in author and subscriber data structures 238.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com