About: http://webisa.webdatacommons.org/183746971

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	Since information from different levels of the aggregation hierarchy and associated metadata tables is required to build a meaningful display for the user, performance is an issue.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org