About: http://webisa.webdatacommons.org/81048997

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	You should check, using is_array function, if a variable is an array before passing it to foreach. e.g
http://www.w3.org/ns/prov#wasQuotedFrom	webdeveloper.com