About: http://webisa.webdatacommons.org/383177854

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	In the same way, r 2 = r2r4 , and so 3 r1 r2 r3 (1) = = = k, r2 r3 r4 where k is a constant.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com