About: http://webisa.webdatacommons.org/289688238

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	Some of them were lecture/practice formats, and others were mainly practice.
http://www.w3.org/ns/prov#wasQuotedFrom	yogachicago.com