About: http://webisa.webdatacommons.org/183873485

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	Since the color is already telling us whether variance is negative or positive, we can collapse both to same side of axis (thus saving some space & reducing redundant information).
http://www.w3.org/ns/prov#wasQuotedFrom	chandoo.org