About: http://webisa.webdatacommons.org/201401701

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	Even if there were such thing as negative mass, there does not seem to be any way that an object can come to have a negative density sufficient to becoming a white hole, so there could not possibly be a process that causes them to form.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com