About: http://webisa.webdatacommons.org/114164824

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	Some, mostly string theorists, posit the existence of a massless particle they have dubbed the graviton and claim that it is responsible for mediating the force of gravity, a force that has unlimited range.
http://www.w3.org/ns/prov#wasQuotedFrom	huffingtonpost.com