About: http://webisa.webdatacommons.org/2129116

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 instance, in the regular expressions chapter, you will see sections such as using anchors, positive and negative lookahead, recursions in regular expressions, and detecting doubled words in text.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.ca