About: http://webisa.webdatacommons.org/81649521

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-mentioned formula (I), n is an integer of 0 to 8, preferably 1 to 4, and especially 2 or 3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com