PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the saintly days of yore, when such things were being established as 'standards', logic would usually operate from 5V (maybe 10-15V if it was slow CMOS), and analog generally ran from +/-12 or +/-15VDC. So an open-collector output allowed the part to be used in the most applications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com