About: http://webisa.webdatacommons.org/164935344

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	A bitmap is a data structure that contains one flag, or bit, for each row in its table which indicates whether or not the row is eligible to be joined under the restriction.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com