About: http://webisa.webdatacommons.org/138821579

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	A signature is a checksum computed over the value of a number of items by applying data compression techniques similar to those used for file comparison.
http://www.w3.org/ns/prov#wasQuotedFrom	ucy.ac.cy