About: http://webisa.webdatacommons.org/23488510

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 think the error is caused because the software sources that allow your computer to download updates and other softwares are not set properly.
http://www.w3.org/ns/prov#wasQuotedFrom	askubuntu.com