About: http://webisa.webdatacommons.org/200778116

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 first constant in either set is a function of the mean time of all calls, the ratio of the answered calls to the call attempts per session, the number of operators and the ratio of nuisance calls to call attempts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com