About: http://webisa.webdatacommons.org/439284252

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	Identify unique integer codes called singletonsfor each row i.e. for each of the nodes selected.
http://www.w3.org/ns/prov#wasQuotedFrom	scribd.com