About: http://webisa.webdatacommons.org/30332533

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	Of course 11 y is the sunspot cycle period and 27 years is a common cycle appearing in many natural and human series.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com