About: http://webisa.webdatacommons.org/70073138

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	PDO is a database abstraction layer included with PHP. Have a look here for an introduction: net.tutsplus.com/tutorials/php/???
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com