About: http://webisa.webdatacommons.org/227980064

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	Although these extracts appear as free-standing units, in practice they are usually supported by additional materials such as audio or video extracts, advice from the study guide, or online material and exercises.
http://www.w3.org/ns/prov#wasQuotedFrom	open.ac.uk