About: http://webisa.webdatacommons.org/245249994

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	Is it safe to invoke PHP GD functions if you do not know whether file is a valid image?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com