About: http://webisa.webdatacommons.org/34991817

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	This disadvantage is particularly acute for a tree in which is stored a sparse table, i.e., a table where the number of keys in the table is relatively small in comparison to the possible set of keys.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com