About: http://webisa.webdatacommons.org/273701210

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	sfNumberValidator verifies if a parameter is a number and allows you to apply size constraints.
http://www.w3.org/ns/prov#wasQuotedFrom	symfony.com