About: http://webisa.webdatacommons.org/190701452

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	However, scalability of such systems is a bottleneck due to the heavy cost of authoring and maintenance of rule sets and in ...
http://www.w3.org/ns/prov#wasQuotedFrom	psu.edu