About: http://webisa.webdatacommons.org/213885465

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	Let us emphasize that this has nothing to do with string theory, and is a problem common to any theory of quantum gravity that does not obviously contradicts what we already know about Nature.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net