About: http://webisa.webdatacommons.org/351810147

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	Because granite is a crystalline rock and limestone a sedimentary rock the methods to do this differ in details.
http://www.w3.org/ns/prov#wasQuotedFrom	cheops-pyramide.ch