About: http://webisa.webdatacommons.org/193327684

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	Theories of quantum gravity have been proposed, including string theory and loop quantum gravity.
http://www.w3.org/ns/prov#wasQuotedFrom	keelynet.com