About: http://webisa.webdatacommons.org/297644339

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	The result is a pointer, and any non-zero pointer converts to bool (non zero pointer converts to true value). so (&i && &j) will always return true (unless you use some trickery and undefined behavior).
http://www.w3.org/ns/prov#wasQuotedFrom	linuxquestions.org