About: http://webisa.webdatacommons.org/375637144

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 one on the left is the standard \pm, and the one on the right is my version where there is a slight separation between the minus and the plus:
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com