About: http://webisa.webdatacommons.org/444378092

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	The total number of columns and the data types of those columns must match for the anchor member and the recursive member. (Note: data type should be same for recursive member and the corresponding anchor member)
http://www.w3.org/ns/prov#wasQuotedFrom	beyondrelational.com