About: http://webisa.webdatacommons.org/201051964

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	The Opera team worked with experts in metrology, or the science of measurement, from CERN and other institutions to measure the distance between CERN SPS and LNGS with an uncertainty of 20 cm (7.9 inches) over 730 km.
http://www.w3.org/ns/prov#wasQuotedFrom	freerepublic.com