About: http://webisa.webdatacommons.org/88750443

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	David was a contributing author to several chapters of the original Hacker???s Challenge.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.com