About: http://webisa.webdatacommons.org/452465803

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	The article is a follow-up to an earlier introduction to the Parallel Query Option (PQO)
http://www.w3.org/ns/prov#wasQuotedFrom	demon.co.uk