About: http://webisa.webdatacommons.org/362636875

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	Your script assumes that it is being run from a particular directory (note that almost every path is a relative path, not an absolute path). cron happens to be running it from another directory.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com