About: http://webisa.webdatacommons.org/431913819

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 short, the user input is echoed into the tr command so that all characters except alpha-numeric and newline characters are deleted.
http://www.w3.org/ns/prov#wasQuotedFrom	innovationsts.com