About: http://webisa.webdatacommons.org/438475017

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 above expression, k is a positive real number value, and t is an angle assigned to the cluster area constituting the spiral.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com