About: http://webisa.webdatacommons.org/157482033

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	If x is a matrix, it is taken as a two-dimensional contingency table, and hence its entries should be nonnegative integers.
http://www.w3.org/ns/prov#wasQuotedFrom	inside-r.org