About: http://webisa.webdatacommons.org/403939365

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	I would suggest reinstallation since your system is now unusable, according to an answer you wrote (which should have been a comment).
http://www.w3.org/ns/prov#wasQuotedFrom	askubuntu.com