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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	Anders L. says: August 15, 2010 at 12:53 pm The first sentence of the paper states: ???Predicting historic temperatures based on tree rings, ice cores, and other natural proxies is a difficult endeavor.???
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com