About: http://webisa.webdatacommons.org/453119644

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	There are other possible sources of error in any survey other than sampling variability.
http://www.w3.org/ns/prov#wasQuotedFrom	yubanet.com