About: http://webisa.webdatacommons.org/198501529

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	Various aspects of technique have at some time or other been controversial, for example, the number of sessions and the length of sessions.
http://www.w3.org/ns/prov#wasQuotedFrom	pep-web.org