About: http://webisa.webdatacommons.org/447188577

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	I think that user testing is a very effective one, i.e. getting people who are completely unfamiliar to the system using and testing it to determine it is Usability.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com