About: http://webisa.webdatacommons.org/413128654

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	Researchers said 251 of the 500 systems were in the United States, with 105 in Europe and 123 in Asia, including 72 in China.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org