About: http://webisa.webdatacommons.org/321961735

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	Neither the fact that DISTINCT is the default, nor that the row types must be known before sending the result prohibit the parallel processing.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com