About: http://webisa.webdatacommons.org/433998252

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	Visit Us Online Metaprogramming Ruby???s Home Page http://pragprog.com/titles/ppmetr Source code from this book, errata, and other resources.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net