PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One way to get a monthly star chart is to buy one of the Astronomy Magazines such as Sky and Telescope and Astronomy, both published in the USA, and Astronomy Now published in the UK. These have the advantage that they show you the positions of the planets too, but they tend only to be useful in the evening hours.
http://www.w3.org/ns/prov#wasQuotedFrom
  • manchester.ac.uk