About: http://webisa.webdatacommons.org/80705721

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	So I guess this article is a nice place to investigate this problem, that seems to affect PCs with UPS or just a regular laptop, maybe given enough publicity the issue will be resolved.
http://www.w3.org/ns/prov#wasQuotedFrom	anandtech.com