About: http://webisa.webdatacommons.org/177122267

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	I guess what happened when you used pstricks is that you still tried to compile with pdflatex. this is with pstricks not sirectly possible. try to compile to PS or use a package such as tikz that works directly with pdflatex
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com