PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Various scientists, futurists, and mathematicians that write about the singularity, such as Ray Kurzweil, Nick Bostrom, and Vernor Vinge, consider such an event plausible sometime between about 2025 and 2050.
http://www.w3.org/ns/prov#wasQuotedFrom
  • acceleratingfuture.com