About: http://webisa.webdatacommons.org/181198455

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 gradual improvement during the late nineteenth century in life expectancy and trends in particular diseases and locations was evident even to the contemporary observers.
http://www.w3.org/ns/prov#wasQuotedFrom	history.ac.uk