About: http://webisa.webdatacommons.org/438246735

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	In PHP, how do I take a string with all kinds of characters and turn it into a string with just A-Z and 0-9 characters? [duplicate]
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com