About: http://webisa.webdatacommons.org/145147884

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	Getting to know which book or web-article is a good start is another problem, but most of the time some research using Google can solve that one.
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org