About: http://webisa.webdatacommons.org/135051058

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	While string theory and loop quantum gravity are the most prominent approaches to the problem of quantum gravity, they are not the only ones.
http://www.w3.org/ns/prov#wasQuotedFrom	einstein-online.info