About: http://webisa.webdatacommons.org/228960460

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	Other classes of assumptions are the meaning of a unit abbreviation like m, which could be meters or minutes, or the default value of a variable in a formula, or whether 12/13/2001 is a date or a computation.
http://www.w3.org/ns/prov#wasQuotedFrom	wolframalpha.com