About: http://webisa.webdatacommons.org/312003117

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, Onyx, Alabaster and other stone are very popular materials for chess, but they are also highly fragile.
http://www.w3.org/ns/prov#wasQuotedFrom	chessusa.com