About: http://webisa.webdatacommons.org/313845850

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	In reality, the cost of collecting some kinds of data remains too high, the quality of the data is not always good enough, and it remains difficult to integrate multiple data sources.
http://www.w3.org/ns/prov#wasQuotedFrom	informationweek.com