About: http://webisa.webdatacommons.org/415668645

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	For example, often in a Java API which returns an int such as String.indexOf() or InputStream.read() a special value of -1 will be used to indicate a non-normal result.
http://www.w3.org/ns/prov#wasQuotedFrom	fandev.org