About: http://webisa.webdatacommons.org/274304845

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	Providing an easy interactive access to very large datasets of several billion sources is a challenge which need to be solved in the next few years.
http://www.w3.org/ns/prov#wasQuotedFrom	aas.org