About: http://webisa.webdatacommons.org/208335342

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 em is a unit of length...in typographic lingo, an em is the width of a capital M in a typeface.
http://www.w3.org/ns/prov#wasQuotedFrom	kottke.org