About: http://webisa.webdatacommons.org/312247157

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	It has been difficult to make such systems highly reliable, one reason being that all of the processing units share, and hence all depend upon the proper functioning of, the shared resources such as memory.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es