About: http://webisa.webdatacommons.org/333448633

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	charAt gets a character from a string, and you can switch on them since char is an integer type.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com