About: http://webisa.webdatacommons.org/403004021

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	Values of this type are safe to use as the URL of an executable or control resource, such as the src attribute of a <script> element, or the source of a CSS style sheet.
http://www.w3.org/ns/prov#wasQuotedFrom	acm.org