About: http://webisa.webdatacommons.org/123403074

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	where a=1 or 2; n is an integer in the range of 3 to 100,000, 10 to 10,000, or 20 to 2,000; Ar1 and Ey are as described above for Formulas I-III; and EC is an end capping group as described supra.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com