About: http://webisa.webdatacommons.org/51847143

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 key utility measure is user happiness...This is a point that is often missed in information retrieval.In the original Cranfield experiments (1960s), didn't Cleverdon propose 6 different metrics of information retrieval effectiveness?
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com