About: http://webisa.webdatacommons.org/37623174

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	In other words, the provide script tells whether to use the "source or load command, which file to specify as an argument to that command, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	tcl.tk