About: http://webisa.webdatacommons.org/154555201

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	Marble is a pretty soft stone, true, but Ive found that if the stone is too hard or too smooth, it just skids over the metal, instead of gripping it and making a nice rolling motion.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com