About: http://webisa.webdatacommons.org/61278347

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 same system is also used in classroom 2.0 to standardize the way blog posts and other content is tagged.
http://www.w3.org/ns/prov#wasQuotedFrom	edtechtalk.com